相关疑难解决方法(0)

我把这个例子从10日- Perl 6的2010出现日历的饲料经营者与细微变化.uc的.ucfirst是不再有:

my @rakudo-people = <scott patrick carl moritz jonathan jerry stephen>;
@rakudo-people
    ==> grep { /at/ } ==> map { .uc } ==> my @who-it's-at;
say ~@who-it's-at;

我用一些额外的空格稍微改写一下:

my @rakudo-people = <scott patrick carl moritz jonathan jerry stephen>;
@rakudo-people
    ==> grep { /at/ }
    ==> map { .uc } ==> my @who-it's-at;
say ~@who-it's-at;

现在这是一个"虚假陈述":

===SORRY!=== Error while compiling ...
Bogus statement
------>         ==> grep { /at/ }?<EOL>
expecting any of:
    postfix …

Run Code Online (Sandbox Code Playgroud)