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Improve panic messages and add #[track_caller] attribute to functions that may panic - #367
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cuviper
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Jan 20, 2025
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Seems like a good idea, thanks!
| @@ -1325,7 +1346,7 @@ where | |||
| /// | |||
| /// ***Panics*** if `key` is not present in the map. | |||
| fn index(&self, key: &Q) -> &V { | |||
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Just clarifying for future reference -- our Index and IndexMut implementations don't need #[track_caller] because the trait definition already applies it.
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Currently,
indexmappanic messages aren't really helpful, and this PR adds#[track_caller]attributes to functions that may panic, for better understanding where to actually look for the panic, and uses the same panic messages that standard collections do with more details.Seems like
#[track_caller]is compatible with no_std, and it shouldn't break anything.