30 lines
476 B
Rust
30 lines
476 B
Rust
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// Check that we do not allow coercions to object
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// unsafe trait objects in match arms
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#![feature(object_safe_for_dispatch)]
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trait Trait: Sized {}
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struct S;
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impl Trait for S {}
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struct R;
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impl Trait for R {}
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fn opt() -> Option<()> {
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Some(())
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}
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fn main() {
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match opt() {
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Some(()) => &S,
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None => &R, //~ ERROR E0308
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}
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let t: &dyn Trait = match opt() { //~ ERROR E0038
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Some(()) => &S, //~ ERROR E0038
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None => &R,
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};
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}
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