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gfldex/fake-trust.raku

Created March 27, 2022 15:52
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fake-trust.raku
use v6.d;
class A {
has $!a = 'private';
method !a { $!a }
}
multi sub trait_mod:<is>(Mu:U \obj, :$spying!) {
A.^add_trustee(obj);
A.^compose;
}
class B is spying(A) {
has A $.a = A.new;
method m { say $!a!A::a }
}
B.new.m;
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