EditButtonModal

EditButtonModalOff

The unival routine

Combined from primary sources listed below.

In class Str ( Type/Str )§

See primary docmentation in context for method unival.

method unival§

multi method unival(Str:D: --> Numeric)

Returns the numeric value that the first codepoint in the invocant represents, or NaN if it's not numeric. 

say '4'.unival;     # OUTPUT: «4␤»
say '¾'.unival;     # OUTPUT: «0.75␤»
say 'a'.unival;     # OUTPUT: «NaN␤»

In class Int ( Type/Int )§

See primary docmentation in context for routine unival.

routine unival§

multi        unival(Int:D  --> Numeric)
multi method unival(Int:D: --> Numeric)

Returns the number represented by the Unicode codepoint with the given integer number, or NaN if it does not represent a number. 

say ord("¾").unival;    # OUTPUT: «0.75␤»
say 190.unival;         # OUTPUT: «0.75␤»
say unival(65);         # OUTPUT: «NaN␤»