22 lines
527 B
Rust
22 lines
527 B
Rust
#![feature(deref_patterns)]
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#![allow(incomplete_features)]
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struct MyPointer;
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impl std::ops::Deref for MyPointer {
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type Target = ();
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fn deref(&self) -> &() {
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&()
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}
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}
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fn main() {
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// Test that we get a trait error if a user attempts implicit deref pats on their own impls.
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// FIXME(deref_patterns): there should be a special diagnostic for missing `DerefPure`.
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match MyPointer {
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() => {}
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//~^ ERROR the trait bound `MyPointer: DerefPure` is not satisfied
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_ => {}
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}
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}
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