mirror of
https://github.com/rust-lang/rust
synced 2024-10-01 14:25:08 +00:00
31 lines
444 B
Rust
31 lines
444 B
Rust
//@ check-pass
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use std::fmt::Debug;
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#[derive(Debug)]
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pub struct Target;
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#[derive(Debug)]
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pub struct Source;
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impl From<Source> for Target {
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fn from(_: Source) -> Self {
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Self
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}
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}
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fn maybe_source() -> Result<(), Source> {
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todo!()
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}
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pub fn typaram() -> Result<(), impl Debug> {
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maybe_source()?;
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Ok::<_, Target>(())
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}
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pub fn direct() -> Result<(), impl Debug> {
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maybe_source()?;
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Err(Target)
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}
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fn main() {}
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