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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2021-02-05 14:28:25 +0000
committerGitHub <[email protected]>2021-02-05 14:28:25 +0000
commitb89fef522043f0fe4dc1977059b70bbd20d6fd75 (patch)
treef9cc2fc85cd7233351c897f725585efe55b867c6 /crates/syntax/test_data/parser
parent5009958847efa5d3cd85f2a9a84074069ca2088d (diff)
parentdfd751303ec6336a4a78776eb8030790b7b0b000 (diff)
Merge #7562
7562: add `generate_enum_match` assist r=matklad a=yoshuawuyts This adds a `generate_enum_match` assist, which generates `is_` variants for enums (e.g. `Option::{is_none,is_some}` in std). This is my first attempt at contributing to Rust-Analyzer, so I'm not sure if I've gotten everything right. Thanks! ## Example **Input** ```rust pub(crate) enum Variant { Undefined, Minor, // cursor here Major, } ``` **Output** ```rust pub(crate) enum Variant { Undefined, Minor, Major, } impl Variant { pub(crate) fn is_minor(&self) -> bool { matches!(self, Self::Minor) } } ``` ## Future Directions I made this as a stepping stone for some of the more involved refactors (e.g. #5944). I'm not sure yet how to create, use, and test `window.showQuickPick`-based asssists in RA. But once that's possible, it'd probably be nice to be able to generate match methods in bulk through the quickpick UI rather than one-by-one: ``` [x] Select enum members to generate methods for. (3 selected) [ OK ] --------------------------------------------------------------------------- [x] Undefined [x] Minor [x] Major ``` Co-authored-by: Yoshua Wuyts <[email protected]> Co-authored-by: Yoshua Wuyts <[email protected]>
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