Author: moritz Date: 2009-10-21 00:15:32 +0200 (Wed, 21 Oct 2009) New Revision: 28865
Modified: docs/Perl6/Spec/S06-routines.pod Log: [S06] extend uniq name constraint to named parameters too Modified: docs/Perl6/Spec/S06-routines.pod =================================================================== --- docs/Perl6/Spec/S06-routines.pod 2009-10-20 22:03:48 UTC (rev 28864) +++ docs/Perl6/Spec/S06-routines.pod 2009-10-20 22:15:32 UTC (rev 28865) @@ -503,10 +503,16 @@ possible on those arguments that are bound to a final slurpy or arglist variable.) -All positional parameters must either have a unique name (sigil included) +All parameters must either have a unique name (sigil included) or be anonymous. Declaring a routine having two positionals with exactly -the same name counts as a compile-time error. +the same name counts as a compile-time error. Renaming a named parameter +can also cause forbidden name collisions: + :($a, $a) # wrong, two a + :($a, :a($b)) # wrong, one a, one a through renaming + :($a, :a(@b)) # wrong + :(:$a, :@a) # wrong + =head2 Named arguments Named arguments are recognized syntactically at the "comma" level.
