Namespace zmbt::expr¶

Namespace List > zmbt > expr

Public Attributes¶

Type	Name
dsl::SignatureUnary<::zmbt::dsl::Keyword::Abs > const	Abs Absolute value .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Acos > const	Acos Arccos .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Acosh > const	Acosh Hyperbolic arccos .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Add > const	Add Addition .
dsl::SignatureVariadic<::zmbt::dsl::Keyword::All > const	All Match all predicates .
dsl::SignatureBinary<::zmbt::dsl::Keyword::And > const	And Logical and .
dsl::SignatureVariadic<::zmbt::dsl::Keyword::Any > const	Any Match any predicate .
dsl::SignatureTernary<::zmbt::dsl::Keyword::Apply > const	Apply Apply expr to literal param .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Approx > const	Approx Floating point approximately equal .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Arange > const	Arange Generate range of numbers .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Argmax > const	Argmax Max value index by key function .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Argmin > const	Argmin Min value index by key function .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Asin > const	Asin Arcsin .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Asinh > const	Asinh Hyperbolic arcsin .
dsl::SignatureBinary<::zmbt::dsl::Keyword::At > const	At Transform json value with given query .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Atan > const	Atan Arctan .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Atanh > const	Atanh Hyperbolic arctan .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Avg > const	Avg Arythmetic average .
dsl::SignatureVariadic<::zmbt::dsl::Keyword::Bind > const	Bind !not implemented! bind design-time parameters
dsl::SignatureBinary<::zmbt::dsl::Keyword::BitAnd > const	BitAnd Bitwise and .
dsl::SignatureBinary<::zmbt::dsl::Keyword::BitLshift > const	BitLshift Bitwise left shift .
dsl::SignatureUnary<::zmbt::dsl::Keyword::BitNot > const	BitNot Bitwise not .
dsl::SignatureBinary<::zmbt::dsl::Keyword::BitOr > const	BitOr Bitwise or .
dsl::SignatureBinary<::zmbt::dsl::Keyword::BitRshift > const	BitRshift Bitwise right shift .
dsl::SignatureBinary<::zmbt::dsl::Keyword::BitXor > const	BitXor Bitwise xor .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Bool > const	Bool Predicate on boolean transform (aka truthy) .
dsl::SignatureBinary<::zmbt::dsl::Keyword::C > const	C User-defined constant .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Card > const	Card Set cardinality (uniques count) .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Cartesian > const	Cartesian Cartesian product .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Ceil > const	Ceil Ceil .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Chunks > const	Chunks Split into chunks of specified max width .
dsl::SignatureVariadic<::zmbt::dsl::Keyword::Compose > const	Compose Compose functions .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Concat > const	Concat Concatenate sequences .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Ni > const	Contains Alias for Ni.
dsl::SignatureUnary<::zmbt::dsl::Keyword::Cos > const	Cos Cosinus .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Cosh > const	Cosh Hyperbolic cos .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Count > const	Count Count matches by predicate param .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Default > const	D Alias for Default.
dsl::SignatureBinary<::zmbt::dsl::Keyword::Default > const	Default Return x if not null, else return default value .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Diff > const	Diff Set difference .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Div > const	Div Division .
dsl::SignatureConst<::zmbt::dsl::Keyword::E > const	E Euler's number .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Each > const	Each Test predicate for each item in a sequence .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Enumerate > const	Enumerate Enumerate sequence .
dsl::SignatureConst<::zmbt::dsl::Keyword::Eps > const	Eps Machine epsilon .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Eq > const	Eq Is equal .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Erf > const	Erf Error function .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Erfc > const	Erfc Error function complement .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Exp > const	Exp Exponential (e^x) .
dsl::SignatureConst<::zmbt::dsl::Keyword::False > const	False Logical false .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Filter > const	Filter Filter sequence by predicate param .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Flatten > const	Flatten Flatten nested list .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Flip > const	Flip Flips design-time and eval-time parameters for enveloped expression. .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Floor > const	Floor Floor .
dsl::SignatureVariadic<::zmbt::dsl::Keyword::Format > const	Fmt Alias for Format.
dsl::SignatureBinary<::zmbt::dsl::Keyword::Reduce > const	Fold Alias for Reduce.
dsl::SignatureVariadic<::zmbt::dsl::Keyword::Format > const	Format Format string with the given parameter list. .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Gamma > const	Gamma Gamma function .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Ge > const	Ge Greater or equal .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Gt > const	Gt Greater than .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Id > const	Id Identity function .
dsl::SignatureBinary<::zmbt::dsl::Keyword::In > const	In Element is in .
dsl::SignatureConst<::zmbt::dsl::Keyword::Inf > const	Inf Infinity .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Intersect > const	Intersect Set intersection .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Items > const	Items Extract key-value pairs from object .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Keys > const	Keys Extract keys from object .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Le > const	Le Lesser or equal .
dsl::SignatureBinary<::zmbt::dsl::Keyword::C > const	Let Alias for C.
dsl::SignatureBinary<::zmbt::dsl::Keyword::Log > const	Log Logarithm .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Lookup > const	Lookup Lookup table function .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Lt > const	Lt Lesser than .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Map > const	Map Apply param expr to every element of sequence .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Max > const	Max Max value by key function .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Min > const	Min Min value by key function .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Mod > const	Mod Modulo .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Mul > const	Mul Multiplication .
dsl::SignatureConst<::zmbt::dsl::Keyword::NaN > const	NaN Not a number .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Ne > const	Ne Not equal .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Approx > const	Near Alias for Approx.
dsl::SignatureUnary<::zmbt::dsl::Keyword::Neg > const	Neg Negate .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Ni > const	Ni Contains element .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Nil > const	Nil Predicate on boolean transform (aka falsy) .
dsl::SignatureConst<::zmbt::dsl::Keyword::Noop > const	Noop No operation .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Not > const	Not Logical complement .
dsl::SignatureBinary<::zmbt::dsl::Keyword::NotIn > const	NotIn Element is not in .
dsl::SignatureBinary<::zmbt::dsl::Keyword::NotNi > const	NotNi Not contains element .
dsl::SignatureConst<::zmbt::dsl::Keyword::Null > const	Null Null value .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Or > const	Or Logical or .
dsl::SignatureVariadic<::zmbt::dsl::Keyword::Pack > const	Pack Pack results from enveloped functions into an array .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Parse > const	Parse Parse string as json .
dsl::SignatureConst<::zmbt::dsl::Keyword::Pi > const	Pi Pi constant .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Pow > const	Pow To power .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Prod > const	Prod Multiplication reduction .
dsl::SignatureBinary<::zmbt::dsl::Keyword::ProperSubset > const	ProperSubset Is proper subset .
dsl::SignatureBinary<::zmbt::dsl::Keyword::ProperSuperset > const	ProperSuperset Is proper superset .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Push > const	Push Push element into a front of sequence .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Quot > const	Quot Quotient .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Re > const	Re Regular expression match .
dsl::SignatureTernary<::zmbt::dsl::Keyword::Recur > const	Recur Apply recursion to parameter expr and initial value .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Reduce > const	Reduce Reduce sequence with binary operator .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Re > const	Regex Alias for Re.
dsl::SignatureBinary<::zmbt::dsl::Keyword::Repeat > const	Repeat Repeat value in list .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Reverse > const	Reverse Reverse sequence .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Round > const	Round Round to nearest integer .
dsl::SignatureVariadic<::zmbt::dsl::Keyword::Saturate > const	Saturate Saturate matches in order .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Serialize > const	Serialize Serialize json as string .
dsl::SignatureBinary<::zmbt::dsl::Keyword::SetEq > const	SetEq Equal as set .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Sign > const	Sign Sign .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Sin > const	Sin Sinus .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Sinh > const	Sinh Hyperbolic sin .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Size > const	Size Sequence size .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Slide > const	Slide Sliding-window iteration .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Sort > const	Sort Sort list by key function .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Sqrt > const	Sqrt Square root .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Serialize > const	Str Alias for Serialize.
dsl::SignatureBinary<::zmbt::dsl::Keyword::Stride > const	Stride Striding iteration .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Sub > const	Sub Subtraction .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Subset > const	Subset Is subset .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Sum > const	Sum Summation reduction .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Superset > const	Superset Is superset .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Tan > const	Tan Tangens .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Tanh > const	Tanh Hyperbolic tan .
dsl::SignatureConst<::zmbt::dsl::Keyword::Thread > const	Thread Thread id .
dsl::SignatureUnary<::zmbt::dsl::Keyword::ToList > const	ToList Put argument into a list .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Transp > const	Transp Transpose multidimensional list, turning rows into columns .
dsl::SignatureConst<::zmbt::dsl::Keyword::True > const	True Logical true .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Try > const	Try Evaluate enveloped function and return result or null if it throws .
dsl::SignatureBinary<::zmbt::dsl::Keyword::TryCatch > const	TryCatch Evaluate enveloped function and return result or error info if it throws .
dsl::SignatureTernary<::zmbt::dsl::Keyword::Unfold > const	Unfold Put results of recursive fn call on initial value into an array .
dsl::SignatureBinary<::zmbt::dsl::Keyword::Union > const	Union Set union .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Uniques > const	Uniques Filter unique elements .
dsl::SignatureUnary<::zmbt::dsl::Keyword::Values > const	Values Extract values from object .
dsl::SignatureConst<::zmbt::dsl::Keyword::Noop > const	_ Alias for Noop.

Public Attributes Documentation¶

variable Abs¶

Absolute value .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Abs> const zmbt::expr::Abs;

See also: Unary Syntatic Forms

variable Acos¶

Arccos .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Acos> const zmbt::expr::Acos;

See also: Unary Syntatic Forms

variable Acosh¶

Hyperbolic arccos .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Acosh> const zmbt::expr::Acosh;

See also: Unary Syntatic Forms

variable Add¶

Addition .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Add> const zmbt::expr::Add;

See also: Binary Syntatic Forms

variable All¶

Match all predicates .

dsl::SignatureVariadic<::zmbt::dsl::Keyword::All> const zmbt::expr::All;

See also: Variadic Syntatic Forms

variable And¶

Logical and .

dsl::SignatureBinary<::zmbt::dsl::Keyword::And> const zmbt::expr::And;

Generic behavior: if first operand is truthy, returns second operand, otherwise first

See also: Binary Syntatic Forms

variable Any¶

Match any predicate .

dsl::SignatureVariadic<::zmbt::dsl::Keyword::Any> const zmbt::expr::Any;

See also: Variadic Syntatic Forms

variable Apply¶

Apply expr to literal param .

dsl::SignatureTernary<::zmbt::dsl::Keyword::Apply> const zmbt::expr::Apply;

See also: Ternary Syntatic Forms

variable Approx¶

Floating point approximately equal .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Approx> const zmbt::expr::Approx;

Based on numpy.isclose: abs(x - ref) <= (atol + rtol * abs(ref))

Rhs parameters: ref: reference value rtol: relative tolerance, default = 1e-05 atol: absolute tolerance, default = 1e-08

Rhs dynamic evaluation: * ref -> [ref, default, default] * [ref] -> [ref, default, default] * [ref, rtol] -> [ref, rtol , default] * [ref, rtol, atol] -> [ref, rtol , atol ]

See also: Binary Syntatic Forms

variable Arange¶

Generate range of numbers .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Arange> const zmbt::expr::Arange;

Return evenly spaced values within a given interval.

Parameters: * start: start value * stop: stop value * step: step value

Parameters dynamic evaluation: * stop: int -> [0, stop, 1] * [start, stop] -> [start, stop, 1] * [start, stop, step] -> [start, stop, step]

See also: Unary Syntatic Forms

variable Argmax¶

Max value index by key function .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Argmax> const zmbt::expr::Argmax;

See also: Binary Syntatic Forms

variable Argmin¶

Min value index by key function .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Argmin> const zmbt::expr::Argmin;

See also: Binary Syntatic Forms

variable Asin¶

Arcsin .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Asin> const zmbt::expr::Asin;

See also: Unary Syntatic Forms

variable Asinh¶

Hyperbolic arcsin .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Asinh> const zmbt::expr::Asinh;

See also: Unary Syntatic Forms

variable At¶

Transform json value with given query .

dsl::SignatureBinary<::zmbt::dsl::Keyword::At> const zmbt::expr::At;

Query evaluation rules: * q: int |-> x: list |-> x at index q (negative -> reverse) * q: slice |-> x: list |-> x[start:stop:step] * q: str |-> x: any |-> x at JSON Pointer q * q: list |-> x: any |-> [x at q1, x at q2, ...] * {"key": q1, "\(q2": q3, ...} \|-> x: any \|-> { "key1": x at q1, "\)(x at q2)": x at q3, ...}

See also: Binary Syntatic Forms

variable Atan¶

Arctan .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Atan> const zmbt::expr::Atan;

See also: Unary Syntatic Forms

variable Atanh¶

Hyperbolic arctan .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Atanh> const zmbt::expr::Atanh;

See also: Unary Syntatic Forms

variable Avg¶

Arythmetic average .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Avg> const zmbt::expr::Avg;

See also: Unary Syntatic Forms

variable Bind¶

!not implemented! bind design-time parameters

dsl::SignatureVariadic<::zmbt::dsl::Keyword::Bind> const zmbt::expr::Bind;

See also: Variadic Syntatic Forms

variable BitAnd¶

Bitwise and .

dsl::SignatureBinary<::zmbt::dsl::Keyword::BitAnd> const zmbt::expr::BitAnd;

See also: Binary Syntatic Forms

variable BitLshift¶

Bitwise left shift .

dsl::SignatureBinary<::zmbt::dsl::Keyword::BitLshift> const zmbt::expr::BitLshift;

[ ] |-> [x, s] |-> x << s
[s] |-> [x] |-> x << s

See also: Binary Syntatic Forms

variable BitNot¶

Bitwise not .

dsl::SignatureUnary<::zmbt::dsl::Keyword::BitNot> const zmbt::expr::BitNot;

See also: Unary Syntatic Forms

variable BitOr¶

Bitwise or .

dsl::SignatureBinary<::zmbt::dsl::Keyword::BitOr> const zmbt::expr::BitOr;

See also: Binary Syntatic Forms

variable BitRshift¶

Bitwise right shift .

dsl::SignatureBinary<::zmbt::dsl::Keyword::BitRshift> const zmbt::expr::BitRshift;

[ ] |-> [x, s] |-> x >> s
[s] |-> [x] |-> x >> s

See also: Binary Syntatic Forms

variable BitXor¶

Bitwise xor .

dsl::SignatureBinary<::zmbt::dsl::Keyword::BitXor> const zmbt::expr::BitXor;

See also: Binary Syntatic Forms

variable Bool¶

Predicate on boolean transform (aka truthy) .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Bool> const zmbt::expr::Bool;

See also: Unary Syntatic Forms

variable C¶

User-defined constant .

dsl::SignatureBinary<::zmbt::dsl::Keyword::C> const zmbt::expr::C;

Produced expression will return the design-time parameter on evaluation, ignoring input. C(x) is a shorthand for Id << x or And(false)|Or(x)

See also: Binary Syntatic Forms

variable Card¶

Set cardinality (uniques count) .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Card> const zmbt::expr::Card;

See also: Unary Syntatic Forms

variable Cartesian¶

Cartesian product .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Cartesian> const zmbt::expr::Cartesian;

See also: Unary Syntatic Forms

variable Ceil¶

Ceil .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Ceil> const zmbt::expr::Ceil;

See also: Unary Syntatic Forms

variable Chunks¶

Split into chunks of specified max width .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Chunks> const zmbt::expr::Chunks;

Similar to Stride, but includes the last subsequence smaller then step width.

See also: Binary Syntatic Forms

variable Compose¶

Compose functions .

dsl::SignatureVariadic<::zmbt::dsl::Keyword::Compose> const zmbt::expr::Compose;

See also: Variadic Syntatic Forms

variable Concat¶

Concatenate sequences .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Concat> const zmbt::expr::Concat;

See also: Binary Syntatic Forms

variable Contains¶

Alias for Ni.

dsl::SignatureBinary<::zmbt::dsl::Keyword::Ni> const zmbt::expr::Contains;

variable Cos¶

Cosinus .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Cos> const zmbt::expr::Cos;

See also: Unary Syntatic Forms

variable Cosh¶

Hyperbolic cos .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Cosh> const zmbt::expr::Cosh;

See also: Unary Syntatic Forms

variable Count¶

Count matches by predicate param .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Count> const zmbt::expr::Count;

See also: Binary Syntatic Forms

variable D¶

Alias for Default.

dsl::SignatureBinary<::zmbt::dsl::Keyword::Default> const zmbt::expr::D;

variable Default¶

Return x if not null, else return default value .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Default> const zmbt::expr::Default;

See also: Binary Syntatic Forms

variable Diff¶

Set difference .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Diff> const zmbt::expr::Diff;

See also: Binary Syntatic Forms

variable Div¶

Division .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Div> const zmbt::expr::Div;

[ ] |-> [x, y] |-> x / y
[y] |-> [x] |-> x / y

See also: Binary Syntatic Forms

variable E¶

Euler's number .

dsl::SignatureConst<::zmbt::dsl::Keyword::E> const zmbt::expr::E;

See also: Const Syntatic Forms

variable Each¶

Test predicate for each item in a sequence .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Each> const zmbt::expr::Each;

Equivalent to Count(p|Not)|Eq(0)

See also: Binary Syntatic Forms

variable Enumerate¶

Enumerate sequence .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Enumerate> const zmbt::expr::Enumerate;

Enumerate sequence with index.

See also: Unary Syntatic Forms

variable Eps¶

Machine epsilon .

dsl::SignatureConst<::zmbt::dsl::Keyword::Eps> const zmbt::expr::Eps;

See also: Const Syntatic Forms

variable Eq¶

Is equal .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Eq> const zmbt::expr::Eq;

See also: Binary Syntatic Forms

variable Erf¶

Error function .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Erf> const zmbt::expr::Erf;

See also: Unary Syntatic Forms

variable Erfc¶

Error function complement .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Erfc> const zmbt::expr::Erfc;

See also: Unary Syntatic Forms

variable Exp¶

Exponential (e^x) .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Exp> const zmbt::expr::Exp;

See also: Unary Syntatic Forms

variable False¶

Logical false .

dsl::SignatureConst<::zmbt::dsl::Keyword::False> const zmbt::expr::False;

See also: Const Syntatic Forms

variable Filter¶

Filter sequence by predicate param .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Filter> const zmbt::expr::Filter;

See also: Binary Syntatic Forms

variable Flatten¶

Flatten nested list .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Flatten> const zmbt::expr::Flatten;

See also: Unary Syntatic Forms

variable Flip¶

Flips design-time and eval-time parameters for enveloped expression. .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Flip> const zmbt::expr::Flip;

Useful for binding lhs operands to non-commutative operators. Unlike Haskell's flip, won't change the order or eval-time parameters * for that case use the Reverse keyword instead.

See also: Binary Syntatic Forms

variable Floor¶

Floor .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Floor> const zmbt::expr::Floor;

See also: Unary Syntatic Forms

variable Fmt¶

Alias for Format.

dsl::SignatureVariadic<::zmbt::dsl::Keyword::Format> const zmbt::expr::Fmt;

variable Fold¶

Alias for Reduce.

dsl::SignatureBinary<::zmbt::dsl::Keyword::Reduce> const zmbt::expr::Fold;

variable Format¶

Format string with the given parameter list. .

dsl::SignatureVariadic<::zmbt::dsl::Keyword::Format> const zmbt::expr::Format;

Constant expressions are supported for the token list, s.t. Fmt(Pi) << "%s" produces "3.141592653589793E0"

See also: Variadic Syntatic Forms

variable Gamma¶

Gamma function .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Gamma> const zmbt::expr::Gamma;

See also: Unary Syntatic Forms

variable Ge¶

Greater or equal .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Ge> const zmbt::expr::Ge;

See also: Binary Syntatic Forms

variable Gt¶

Greater than .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Gt> const zmbt::expr::Gt;

See also: Binary Syntatic Forms

variable Id¶

Identity function .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Id> const zmbt::expr::Id;

See also: Unary Syntatic Forms

variable In¶

Element is in .

dsl::SignatureBinary<::zmbt::dsl::Keyword::In> const zmbt::expr::In;

See also: Binary Syntatic Forms

variable Inf¶

Infinity .

dsl::SignatureConst<::zmbt::dsl::Keyword::Inf> const zmbt::expr::Inf;

See also: Const Syntatic Forms

variable Intersect¶

Set intersection .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Intersect> const zmbt::expr::Intersect;

See also: Binary Syntatic Forms

variable Items¶

Extract key-value pairs from object .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Items> const zmbt::expr::Items;

See also: Unary Syntatic Forms

variable Keys¶

Extract keys from object .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Keys> const zmbt::expr::Keys;

See also: Unary Syntatic Forms

variable Le¶

Lesser or equal .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Le> const zmbt::expr::Le;

See also: Binary Syntatic Forms

variable Let¶

Alias for C.

dsl::SignatureBinary<::zmbt::dsl::Keyword::C> const zmbt::expr::Let;

variable Log¶

Logarithm .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Log> const zmbt::expr::Log;

Logarithm with base b: * [ ] |-> [x, b] |-> log_b(x) * [b] |-> [x] |-> log_b(x)

See also: Binary Syntatic Forms

variable Lookup¶

Lookup table function .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Lookup> const zmbt::expr::Lookup;

Parametrized at design time with fixed array or object, produces the value at corresponding At query given as eval-time argument. Equivalent to Flip(At(...))

See also: Binary Syntatic Forms

variable Lt¶

Lesser than .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Lt> const zmbt::expr::Lt;

See also: Binary Syntatic Forms

variable Map¶

Apply param expr to every element of sequence .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Map> const zmbt::expr::Map;

See also: Binary Syntatic Forms

variable Max¶

Max value by key function .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Max> const zmbt::expr::Max;

See also: Binary Syntatic Forms

variable Min¶

Min value by key function .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Min> const zmbt::expr::Min;

See also: Binary Syntatic Forms

variable Mod¶

Modulo .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Mod> const zmbt::expr::Mod;

Modulo of x: * [ ] |-> [x, m] |-> x % m * [m] |-> [x] |-> x % m

See also: Binary Syntatic Forms

variable Mul¶

Multiplication .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Mul> const zmbt::expr::Mul;

See also: Binary Syntatic Forms

variable NaN¶

Not a number .

dsl::SignatureConst<::zmbt::dsl::Keyword::NaN> const zmbt::expr::NaN;

See also: Const Syntatic Forms

variable Ne¶

Not equal .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Ne> const zmbt::expr::Ne;

See also: Binary Syntatic Forms

variable Near¶

Alias for Approx.

dsl::SignatureBinary<::zmbt::dsl::Keyword::Approx> const zmbt::expr::Near;

variable Neg¶

Negate .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Neg> const zmbt::expr::Neg;

See also: Unary Syntatic Forms

variable Ni¶

Contains element .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Ni> const zmbt::expr::Ni;

See also: Binary Syntatic Forms

variable Nil¶

Predicate on boolean transform (aka falsy) .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Nil> const zmbt::expr::Nil;

See also: Unary Syntatic Forms

variable Noop¶

No operation .

dsl::SignatureConst<::zmbt::dsl::Keyword::Noop> const zmbt::expr::Noop;

Returns true without input validation. Used in place of matchers for uninteresting signals.

See also: Const Syntatic Forms

variable Not¶

Logical complement .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Not> const zmbt::expr::Not;

See also: Unary Syntatic Forms

variable NotIn¶

Element is not in .

dsl::SignatureBinary<::zmbt::dsl::Keyword::NotIn> const zmbt::expr::NotIn;

See also: Binary Syntatic Forms

variable NotNi¶

Not contains element .

dsl::SignatureBinary<::zmbt::dsl::Keyword::NotNi> const zmbt::expr::NotNi;

See also: Binary Syntatic Forms

variable Null¶

Null value .

dsl::SignatureConst<::zmbt::dsl::Keyword::Null> const zmbt::expr::Null;

See also: Const Syntatic Forms

variable Or¶

Logical or .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Or> const zmbt::expr::Or;

Generic behavior: if first operand is truthy, returns first operand, second otherwise

See also: Binary Syntatic Forms

variable Pack¶

Pack results from enveloped functions into an array .

dsl::SignatureVariadic<::zmbt::dsl::Keyword::Pack> const zmbt::expr::Pack;

Allows to combine different properties in a single expression

See also: Variadic Syntatic Forms

variable Parse¶

Parse string as json .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Parse> const zmbt::expr::Parse;

See also: Unary Syntatic Forms

variable Pi¶

Pi constant .

dsl::SignatureConst<::zmbt::dsl::Keyword::Pi> const zmbt::expr::Pi;

See also: Const Syntatic Forms

variable Pow¶

To power .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Pow> const zmbt::expr::Pow;

X to power p * [ ] |-> [x, p] |-> x^p * [p] |-> [x] |-> x^p

See also: Binary Syntatic Forms

variable Prod¶

Multiplication reduction .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Prod> const zmbt::expr::Prod;

Equivalent to Reduce(Mul)

See also: Unary Syntatic Forms

variable ProperSubset¶

Is proper subset .

dsl::SignatureBinary<::zmbt::dsl::Keyword::ProperSubset> const zmbt::expr::ProperSubset;

See also: Binary Syntatic Forms

variable ProperSuperset¶

Is proper superset .

dsl::SignatureBinary<::zmbt::dsl::Keyword::ProperSuperset> const zmbt::expr::ProperSuperset;

See also: Binary Syntatic Forms

variable Push¶

Push element into a front of sequence .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Push> const zmbt::expr::Push;

See also: Binary Syntatic Forms

variable Quot¶

Quotient .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Quot> const zmbt::expr::Quot;

Quotient of x: * [ ] |-> [x, d] |-> x // d * [d] |-> [x] |-> x // d

See also: Binary Syntatic Forms

variable Re¶

Regular expression match .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Re> const zmbt::expr::Re;

If input is not a string, match it's serialized form.

See also: Binary Syntatic Forms

variable Recur¶

Apply recursion to parameter expr and initial value .

dsl::SignatureTernary<::zmbt::dsl::Keyword::Recur> const zmbt::expr::Recur;

Recur(f, x) >> n = ◯ⁿ f(x)

See also: Ternary Syntatic Forms

variable Reduce¶

Reduce sequence with binary operator .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Reduce> const zmbt::expr::Reduce;

To set specific initial value, use composition with Push, e.g. Push(0)|Reduce(Add)

For reverse operation, see Unfold

See also: Binary Syntatic Forms

variable Regex¶

Alias for Re.

dsl::SignatureBinary<::zmbt::dsl::Keyword::Re> const zmbt::expr::Regex;

variable Repeat¶

Repeat value in list .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Repeat> const zmbt::expr::Repeat;

See also: Binary Syntatic Forms

variable Reverse¶

Reverse sequence .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Reverse> const zmbt::expr::Reverse;

See also: Unary Syntatic Forms

variable Round¶

Round to nearest integer .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Round> const zmbt::expr::Round;

Hint: To round to ndigits precision after the decimal point, use Mul(ndigits)|Round|Div(ndigits) combo.

See also: Unary Syntatic Forms

variable Saturate¶

Saturate matches in order .

dsl::SignatureVariadic<::zmbt::dsl::Keyword::Saturate> const zmbt::expr::Saturate;

See also: Variadic Syntatic Forms

variable Serialize¶

Serialize json as string .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Serialize> const zmbt::expr::Serialize;

See also: Unary Syntatic Forms

variable SetEq¶

Equal as set .

dsl::SignatureBinary<::zmbt::dsl::Keyword::SetEq> const zmbt::expr::SetEq;

See also: Binary Syntatic Forms

variable Sign¶

Sign .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Sign> const zmbt::expr::Sign;

See also: Unary Syntatic Forms

variable Sin¶

Sinus .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Sin> const zmbt::expr::Sin;

See also: Unary Syntatic Forms

variable Sinh¶

Hyperbolic sin .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Sinh> const zmbt::expr::Sinh;

See also: Unary Syntatic Forms

variable Size¶

Sequence size .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Size> const zmbt::expr::Size;

See also: Unary Syntatic Forms

variable Slide¶

Sliding-window iteration .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Slide> const zmbt::expr::Slide;

Sliding window iteration by specified window width.

See also: Binary Syntatic Forms

variable Sort¶

Sort list by key function .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Sort> const zmbt::expr::Sort;

See also: Binary Syntatic Forms

variable Sqrt¶

Square root .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Sqrt> const zmbt::expr::Sqrt;

See also: Unary Syntatic Forms

variable Str¶

Alias for Serialize.

dsl::SignatureUnary<::zmbt::dsl::Keyword::Serialize> const zmbt::expr::Str;

variable Stride¶

Striding iteration .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Stride> const zmbt::expr::Stride;

Striding iteration by specified step width. Reminder subsequence smaller then step width is discarded.

See also: Binary Syntatic Forms

variable Sub¶

Subtraction .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Sub> const zmbt::expr::Sub;

See also: Binary Syntatic Forms

variable Subset¶

Is subset .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Subset> const zmbt::expr::Subset;

See also: Binary Syntatic Forms

variable Sum¶

Summation reduction .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Sum> const zmbt::expr::Sum;

Equivalent to Reduce(Add)

See also: Unary Syntatic Forms

variable Superset¶

Is superset .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Superset> const zmbt::expr::Superset;

See also: Binary Syntatic Forms

variable Tan¶

Tangens .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Tan> const zmbt::expr::Tan;

See also: Unary Syntatic Forms

variable Tanh¶

Hyperbolic tan .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Tanh> const zmbt::expr::Tanh;

See also: Unary Syntatic Forms

variable Thread¶

Thread id .

dsl::SignatureConst<::zmbt::dsl::Keyword::Thread> const zmbt::expr::Thread;

Not really a constant, but useful for branching the test input conditions.

See also: Const Syntatic Forms

variable ToList¶

Put argument into a list .

dsl::SignatureUnary<::zmbt::dsl::Keyword::ToList> const zmbt::expr::ToList;

Equivalent to At([""])

See also: Unary Syntatic Forms

variable Transp¶

Transpose multidimensional list, turning rows into columns .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Transp> const zmbt::expr::Transp;

May be used to zip sequences of equal length.

See also: Unary Syntatic Forms

variable True¶

Logical true .

dsl::SignatureConst<::zmbt::dsl::Keyword::True> const zmbt::expr::True;

See also: Const Syntatic Forms

variable Try¶

Evaluate enveloped function and return result or null if it throws .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Try> const zmbt::expr::Try;

See also: Binary Syntatic Forms

variable TryCatch¶

Evaluate enveloped function and return result or error info if it throws .

dsl::SignatureBinary<::zmbt::dsl::Keyword::TryCatch> const zmbt::expr::TryCatch;

See also: Binary Syntatic Forms

variable Unfold¶

Put results of recursive fn call on initial value into an array .

dsl::SignatureTernary<::zmbt::dsl::Keyword::Unfold> const zmbt::expr::Unfold;

Unfold(f, x) >> n = [x, ◯¹f(x), ◯²f(x), ..., ◯ⁿ f(x)]

See also: Ternary Syntatic Forms

variable Union¶

Set union .

dsl::SignatureBinary<::zmbt::dsl::Keyword::Union> const zmbt::expr::Union;

See also: Binary Syntatic Forms

variable Uniques¶

Filter unique elements .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Uniques> const zmbt::expr::Uniques;

See also: Unary Syntatic Forms

variable Values¶

Extract values from object .

dsl::SignatureUnary<::zmbt::dsl::Keyword::Values> const zmbt::expr::Values;

See also: Unary Syntatic Forms

variable _¶

Alias for Noop.

dsl::SignatureConst<::zmbt::dsl::Keyword::Noop> const zmbt::expr::_;

The documentation for this class was generated from the following file zmbt-framework/zmbt-framework/backends/cxx/include/zmbt/model/expression_api.hpp