Documentation for routine Numeric assembled from the following pages:
Class: IntStr §
From IntStr
(IntStr) method Numeric §
Defined as:
multi method Numeric(IntStr: --> Int)multi method Numeric(IntStr: --> Int)The :D variant returns the numeric portion of the invocant. The :U variant issues a warning about using an uninitialized value in numeric context and then returns value 0.
Class: Thread §
From Thread
(Thread) method Numeric §
method Numeric(Thread: --> Int)Returns a numeric, unique thread identifier, i.e. the same as id.
Class: RatStr §
From RatStr
(RatStr) method Numeric §
Defined as:
multi method Numeric(RatStr: --> Rat)multi method Numeric(RatStr: --> Rat)The :D variant returns the numeric portion of the invocant. The :U variant issues a warning about using an uninitialized value in numeric context and then returns value 0.0.
Class: X::AdHoc §
From X::AdHoc
(X::AdHoc) method Numeric §
Defined as
method Numeric()Converts the payload to Numeric and returns it
Role: Sequence §
From Sequence
(Sequence) method Numeric §
method Numeric(::?CLASS:)Returns the number of elements in the cached sequence.
Class: List §
From List
(List) method Numeric §
Defined as:
method Numeric(List: --> Int)Returns the number of elements in the list (same as .elems).
say (1,2,3,4,5).Numeric; # OUTPUT: «5»Class: Nil §
From Nil
(Nil) method Numeric §
method Numeric()Warns the user that they tried to numify a Nil.
Class: NumStr §
From NumStr
(NumStr) method Numeric §
Defined as:
multi method Numeric(NumStr: --> Num)multi method Numeric(NumStr: --> Num)The :D variant returns the numeric portion of the invocant. The :U variant issues a warning about using an uninitialized value in numeric context and then returns value 0e0.
Class: Numeric §
From Numeric
(Numeric) method Numeric §
Defined as:
multi method Numeric(Numeric: --> Numeric)multi method Numeric(Numeric: --> Numeric)The :D variant simply returns the invocant. The :U variant issues a warning about using an uninitialized value in numeric context and then returns self.new.
Class: Map §
From Map
(Map) method Numeric §
Defined as:
method Numeric(Map: --> Int)Returns the number of pairs stored in the Map (same as .elems).
my = Map.new('a' => 2, 'b' => 17);say .Numeric; # OUTPUT: «2»Class: ComplexStr §
From ComplexStr
(ComplexStr) method Numeric §
Defined as:
multi method Numeric(ComplexStr: --> Complex)multi method Numeric(ComplexStr: --> Complex)The :D variant returns the numeric portion of the invocant. The :U variant issues a warning about using an uninitialized value in numeric context and then returns value <0+0i>.
Enum: Bool §
From Bool
(Bool) routine Numeric §
multi method Numeric(Bool --> Int)Returns the value part of the enum pair.
say False.Numeric; # OUTPUT: «0» say True.Numeric; # OUTPUT: «1»Class: IO::Path §
From IO::Path
(IO::Path) method Numeric §
Defined as:
method Numeric(IO::Path: --> Numeric)Coerces .basename to Numeric. Fails with X::Str::Numeric if base name is not numerical.
Class: Str §
From Str
(Str) method Numeric §
Defined as:
method Numeric(Str: --> Numeric)Coerces the string to Numeric using semantics equivalent to val routine. Fails with X::Str::Numeric if the coercion to a number cannot be done.
Only Unicode characters with property Nd, as well as leading and trailing whitespace are allowed, with the special case of the empty string being coerced to 0. Synthetic codepoints (e.g. "7\x[308]") are forbidden.
While Nl and No characters can be used as numeric literals in the language, their conversion via Str.Numeric will fail, by design; the same will happen with synthetic numerics (composed of numbers and diacritic marks). See unival if you need to coerce such characters to Numeric. +, - and the Unicode MINUS SIGN − are all allowed.
" −33".Numeric; # OUTPUT: «-33» Enum: Endian §
From Endian
(Endian) routine Numeric §
multi method Numeric(Endian --> Int)Returns the value part of the enum pair.
say NativeEndian.Numeric; # OUTPUT: «0» say LittleEndian.Numeric; # OUTPUT: «1» say BigEndian.Numeric; # OUTPUT: «2»Note that the actual numeric values are subject to change. So please use the named values instead.
Class: Capture §
From Capture
(Capture) method Numeric §
Defined as:
method Numeric(Capture: --> Int)Returns the number of positional elements in the Capture.
say \(1,2,3, apples => 2).Numeric; # OUTPUT: «3»Role: Enumeration §
From Enumeration
(Enumeration) method Numeric §
Defined as:
multi method Numeric(::?CLASS:)Takes a value of an enum and returns it after coercion to Numeric:
( cool => '42', almost-pi => '3.14', sqrt-n-one => 'i' );say cool.Numeric; # OUTPUT: «42» say almost-pi.Numeric; # OUTPUT: «3.14» say sqrt-n-one.Numeric; # OUTPUT: «0+1i»Note that if the value cannot be coerced to Numeric, an exception will be thrown.
Class: StrDistance §
From StrDistance
(StrDistance) method Numeric §
Returns the distance as a number.