49 lines
873 B
Rust
49 lines
873 B
Rust
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// Regression test for issue #142488, a diagnostics ICE when trying to suggest missing methods
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// present in similar tuple types.
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// This is a few of the MCVEs from the issues and its many duplicates.
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// 1
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fn main() {
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for a in x {
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//~^ ERROR: cannot find value `x` in this scope
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(a,).to_string()
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//~^ ERROR: the method `to_string` exists for tuple
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}
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}
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// 2
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trait Trait {
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fn meth(self);
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}
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impl<T, U: Trait> Trait for (T, U) {
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fn meth(self) {}
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}
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fn mcve2() {
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((), std::collections::HashMap::new()).meth()
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//~^ ERROR: the method `meth` exists for tuple
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}
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// 3
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trait I {}
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struct Struct;
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impl I for Struct {}
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trait Tr {
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fn f<A>(self) -> (A,)
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where
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Self: Sized,
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{
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loop {}
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}
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}
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impl<T> Tr for T where T: I {}
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fn mcve3() {
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Struct.f().f();
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//~^ ERROR: the method `f` exists for tuple
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}
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