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好吧,我仍然遇到perl6语法和行动的麻烦。我想在一个字符串中找到一个模式,一旦找到它,根据操作改变模式,并返回修改后的字符串。Perl6语法和操作错误:“无法找到方法'安'NQPMu类型的对象”
my $test = "xx, 1-March-23, 23.feb.21, yy foo 12/january/2099 , zzz";
# want this result: xx, 010323, 230221, yy foo 120199 , zzz";
# 2 digits for day, month, year
grammar month {
regex TOP { <unit>+ }
regex unit { <before> <form1> <after> }
regex before { .*? }
regex after { .*? }
regex form1 { \s* <dd> <slash> <mon> <slash> <yy> \s* }
regex slash { \s* <[ \- \/ \. ]> \s* }
regex dd { \d ** 1..2 }
regex yy { (19 | 20)? \d\d }
proto regex mon {*}
regex mon:sym<jan> { \w 'an' \w* }
regex mon:sym<feb> { <sym> }
regex mon:sym<mar> { <[Mm]> 'ar' \w* }
}
class monAct {
method TOP ($/) { make $<unit>.map({.made}); }
method unit ($/) { make $<before> ~ $<form1>.made ~$<after>; }
method form1 ($/) { make $<dd>.made ~ $<mon>.made ~ $<yy>; }
method dd ($/) {
my $ddStr = $/.Str;
if $ddStr.chars == 1 { make "0" ~ $ddStr; } else { make $ddStr; }
}
method mon:sym<jan> ($/) { make "01"; };
method mon:sym<feb> ($/) { make "02"; };
method mon:sym<mar> ($/) { make "03"; };
}
my $m = month.parse($test, actions => monAct.new);
say $m;
say $m.made;
但它说:
=== SORRY ===无法在类型的对象找方法 '安' NQPMu
我做了什么错!?感谢您的帮助 !!!
谢谢Christoph!我报告了这个错误。 – lisprogtor
[link to rt](https://rt.perl.org/Public/Bug/Display.html?id=130218#txn-1437532)谢谢@lisprogtor – raiph