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Last active January 25, 2016 19:06
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.pm6
use v6.c;
subset T of List where *[0] eqv 1;
class R {
multi method f(T:D $xs) { self.f(42) }
multi method f(Any:D $xs) { say $xs }
}
R.f([1, 2]);
R.f([2, 2]);
@masak
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masak commented Jan 25, 2016 

subset T of List where { .[0] == 1 };

class C {
    multi method f(T:D $xs) { self.f(42) }
    multi method f(Any:D $xs) { say $xs }
}

C.new.f([1, 2]);
C.new.f([2, 2]);

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