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improved error reporting for UnwrapThrowExt for Result #4035

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merged 2 commits into from
Aug 1, 2024
Merged

improved error reporting for UnwrapThrowExt for Result #4035

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030faf2
improved error reporting for UnwrapThrowExt for Result
sokorototo Aug 1, 2024
ec9a1f3
Add changelog entry
daxpedda Aug 1, 2024
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26 changes: 26 additions & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1381,6 +1381,32 @@ impl<T, E> UnwrapThrowExt<T> for Result<T, E>
where
E: core::fmt::Debug,
{
#[cfg_attr(debug_assertions, track_caller)]
fn unwrap_throw(self) -> T {
if cfg!(all(
target_arch = "wasm32",
not(any(target_os = "emscripten", target_os = "wasi"))
)) {
Comment on lines +1386 to +1389
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This needs to be gated behind cfg(debug_assertions), the same as the default unwrap_throw implementation; see #2995 (review).

(The cfg(feature = "std") might not be needed anymore after #4005.)

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Thank you!
Addressed in #4042.

match self {
Ok(val) => val,
Err(err) => {
let loc = core::panic::Location::caller();
let msg = alloc::format!(
"`unwrap_throw` failed ({}:{}:{}): {:?}",
loc.file(),
loc.line(),
loc.column(),
err
);

throw_str(&msg)
}
}
} else {
self.unwrap()
}
}

#[cfg_attr(debug_assertions, track_caller)]
fn expect_throw(self, message: &str) -> T {
if cfg!(all(
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