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398 B
398 B
Tests a variable capture problem.
After pattern compilation, the match would end up:
T p1 p3 p3
and z would end up referring to the first p3 rather than the second.
.> builtins.merge
structural type Trip = T Nat Nat Nat
bad : Nat -> (Nat, Nat)
bad x = match Some (Some x) with
Some (Some x) -> match T 3 4 5 with
T _ _ z -> (x, z)
_ -> (0,0)
> bad 2