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| author | Aleksey Kladov <[email protected]> | 2020-03-19 10:38:26 +0000 |
|---|---|---|
| committer | Aleksey Kladov <[email protected]> | 2020-03-19 10:38:26 +0000 |
| commit | ef3bf906c477048076faa8e18b50fc34175f6c14 (patch) | |
| tree | 7e0134f8a0bc0a41e8cbcea91231b7a7be95262b /crates/ra_syntax/src | |
| parent | 5b0a7c7d162c6c30b8fd52309f4473659d647452 (diff) | |
Generalize
Diffstat (limited to 'crates/ra_syntax/src')
| -rw-r--r-- | crates/ra_syntax/src/algo.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crates/ra_syntax/src/algo.rs b/crates/ra_syntax/src/algo.rs index b87c7084e..344cf0fbe 100644 --- a/crates/ra_syntax/src/algo.rs +++ b/crates/ra_syntax/src/algo.rs | |||
| @@ -73,6 +73,10 @@ pub fn least_common_ancestor(u: &SyntaxNode, v: &SyntaxNode) -> Option<SyntaxNod | |||
| 73 | v.ancestors().find(|it| u_ancestors.contains(it)) | 73 | v.ancestors().find(|it| u_ancestors.contains(it)) |
| 74 | } | 74 | } |
| 75 | 75 | ||
| 76 | pub fn neighbor<T: AstNode>(me: &T, direction: Direction) -> Option<T> { | ||
| 77 | me.syntax().siblings(direction).skip(1).find_map(T::cast) | ||
| 78 | } | ||
| 79 | |||
| 76 | #[derive(Debug, PartialEq, Eq, Clone, Copy)] | 80 | #[derive(Debug, PartialEq, Eq, Clone, Copy)] |
| 77 | pub enum InsertPosition<T> { | 81 | pub enum InsertPosition<T> { |
| 78 | First, | 82 | First, |