| Miscellaneous functionsGet void vs scalar vs list context of current subroutine callDaftar Isi - wantarray
Returns true if the context of the currently executing subroutine oreval is looking for a list value. Returns false if the context islooking for a scalar. Returns the undefined value if the context islooking for no value (void context). - return unless defined wantarray; # don't bother doing more
- my @a = complex_calculation();
- return wantarray ? @a : "@a";
wantarray() 's result is unspecified in the top level of a file,in a BEGIN , UNITCHECK , CHECK , INIT or END block, orin a DESTROY method.
This function should have been named wantlist() instead. |
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