In Operators§
See primary documentation in context for prefix //
multi prefix:<//>(Any --> Bool:D)
Available as of 6.e language version (early implementation exists in Rakudo compiler 2022.12+).
Coerces the argument to Boolean
by calling the defined
method on it.
In Operators§
See primary documentation in context for infix //
The defined-or operator or infix // returns the first defined operand, or else the last operand. Short-circuits.
say Any // 0 // 42; # OUTPUT: «0»