31 lines
649 B
Rust
31 lines
649 B
Rust
// Regression test for #69455: projection predicate was not satisfied.
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// Compiler should indicate the correct location of the
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// unsatisfied projection predicate
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pub trait Test<Rhs = Self> {
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type Output;
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fn test(self, rhs: Rhs) -> Self::Output;
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}
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impl Test<u32> for u64 {
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type Output = u64;
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fn test(self, other: u32) -> u64 {
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self + (other as u64)
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}
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}
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impl Test<u64> for u64 {
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type Output = u64;
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fn test(self, other: u64) -> u64 {
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(self + other) as u64
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}
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}
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fn main() {
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let xs: Vec<u64> = vec![1, 2, 3];
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println!("{}", 23u64.test(xs.iter().sum())); //~ ERROR: type annotations needed
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}
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