Refactored take_unwrap (libstd/option.rs) #12931
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Using pattern matching instead of is_some + unwrap
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Why does this happen? It has nothing to do with the refactored function... |
bors
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Mar 16, 2014
Using pattern matching instead of is_some + unwrap
lnicola
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Aug 9, 2022
Add more constructors and entry-APIs for la-arena
`la-arena` on crates.io is quite helpful when just a thin wrapper for Vec with u32 indices is needed.
But the current API is not ergonomic enough.
This PR
- Adds `ArenaMap::new`. Not sure why only `Arena` has it now.
- Adds `Arena{,Map}::with_capacity` for known-size storage.
- Adds entry-API for `ArenaMap` for easier `.entry(idx).or_default().push(value)` or `.entry(idx).or_insert(...)` operations.
lnicola
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Aug 9, 2022
More methods and traits for `la_arena::ArenaMap` Continue of rust-lang#12931. Seems that I forgot some methods in the previous PR :( I also changed `ArenaMap::insert` to return the old value, to match the map-like collection API of std. **So this is a breaking change.** r? `@lnicola`
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Using pattern matching instead of is_some + unwrap