为什么只读数组属性可以在 Raku 类上修改,而标量却不能修改?
我怎样才能使@.baz
“只读”?
class Boo {
has $.bar;
has @.baz;
};
my $boo = Boo.new;
$boo.baz = (1, 2); # works ... ?
say $boo.baz;
$boo.bar = 1; #fails ... expected
我的乐道版本:
This is Rakudo version 2020.05.1 built on MoarVM version 2020.05
implementing Raku 6.d.