# New Ticket Created by Zoffix Znet # Please include the string: [perl #129790] # in the subject line of all future correspondence about this issue. # <URL: https://rt.perl.org/Ticket/Display.html?id=129790 >
Attempting to give a map some invalid arg or a sub gives an error: zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 -e '^4 .map: {};' ===SORRY!=== Cannot find method 'count' on object of type NQPMu zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 -e '^4 .map: 42;' ===SORRY!=== Cannot find method 'count' on object of type NQPMu zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 -e 'sub foo ($) {say "meow"}; ^4 .map: &foo;' ===SORRY!=== Cannot find method 'count' on object of type NQPMu However, everything works fine, if we turn off the optimizer: zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 --optimize=off -e '^4 .map: {};' Cannot map a Range to a Hash. Did you mean to add a stub ({...}) or did you mean to .classify? in block <unit> at -e line 1 zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 --optimize=off -e '^4 .map: 42;' Cannot resolve caller map(Range: Int); none of these signatures match: ($: Hash \h, *%_) (\SELF: █; :$label, :$item, *%_) (HyperIterable:D $: █; :$label, *%_) in block <unit> at -e line 1 zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 --optimize=off -e 'sub foo ($) {say "meow"}; ^4 .map: &foo;' meow meow meow meow zoffix@VirtualBox:~/CPANPRC/rakudo$ Or, if we wrap the range into parenths: zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 -e '(^4).map: {};' Cannot map a Range to a Hash. Did you mean to add a stub ({...}) or did you mean to .classify? in block <unit> at -e line 1 zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 -e '(^4).map: 42;' Cannot resolve caller map(Range: Int); none of these signatures match: ($: Hash \h, *%_) (\SELF: █; :$label, :$item, *%_) (HyperIterable:D $: █; :$label, *%_) in block <unit> at -e line 1 zoffix@VirtualBox:~/CPANPRC/rakudo$ ./perl6 -e 'sub foo ($) {say "meow"}; (^4).map: &foo;' meow meow meow meow