12 lines
361 B
Rust
12 lines
361 B
Rust
// In this test, the mode gets inferred to ++ due to the apply_int(),
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// but then we get a failure in the generic apply().
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fn apply<A>(f: fn(A) -> A, a: A) -> A { f(a) }
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fn apply_int(f: fn(int) -> int, a: int) -> int { f(a) }
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fn main() {
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let f = {|i| i};
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assert apply_int(f, 2) == 2;
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assert apply(f, 2) == 2; //~ ERROR expected argument mode ++
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}
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