How do you declare a function that doesn't return anything? For instance, a
C++ swap function might be declared
template class X
void swap(X x, X y);
It would be nice to declare the corresponding Perl6 function as
sub swap ($x is rw, $y is rw) returns nothing {...}
or something similar.
Joe Gottman writes:
How do you declare a function that doesn't return anything? For instance, a
C++ swap function might be declared
template class X
void swap(X x, X y);
It would be nice to declare the corresponding Perl6 function as
sub swap ($x is rw, $y is rw) returns nothing
