language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-09-18 16:20:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

Make siblings an inherent method

Browse source
This commit is contained in:
Aleksey Kladov 2018-10-02 18:14:33 +03:00
parent d323c81d5c
commit 1a2a8dec14
6 changed files with 30 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

16
crates/ra_syntax/src/algo/mod.rs
View file

@ -94,22 +94,6 @@ pub fn find_covering_node(root: SyntaxNodeRef, range: TextRange) -> SyntaxNodeRe
common_ancestor(left, right)
}
#[derive(Debug)]
pub enum Direction {
Forward,
Backward,
}
pub fn siblings<'a>(
node: SyntaxNodeRef<'a>,
direction: Direction
) -> impl Iterator<Item=SyntaxNodeRef<'a>> {
generate(Some(node), move |&node| match direction {
Direction::Forward => node.next_sibling(),
Direction::Backward => node.prev_sibling(),
})
}
fn common_ancestor<'a>(n1: SyntaxNodeRef<'a>, n2: SyntaxNodeRef<'a>) -> SyntaxNodeRef<'a> {
for p in n1.ancestors() {
if n2.ancestors().any(|a| a == p) {