38 lines
604 B
Rust
38 lines
604 B
Rust
//@ run-pass
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#![allow(non_camel_case_types)]
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// Test that we pick which version of `foo` to run based on the
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// type that is (ultimately) inferred for `x`.
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trait foo {
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fn foo(&self) -> i32;
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}
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impl foo for Vec<u32> {
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fn foo(&self) -> i32 {1}
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}
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impl foo for Vec<i32> {
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fn foo(&self) -> i32 {2}
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}
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fn call_foo_uint() -> i32 {
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let mut x = Vec::new();
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let y = x.foo();
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x.push(0u32);
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y
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}
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fn call_foo_int() -> i32 {
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let mut x = Vec::new();
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let y = x.foo();
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x.push(0i32);
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y
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}
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fn main() {
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assert_eq!(call_foo_uint(), 1);
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assert_eq!(call_foo_int(), 2);
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}
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