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-rw-r--r--crates/ra_syntax/src/ast/extensions.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/crates/ra_syntax/src/ast/extensions.rs b/crates/ra_syntax/src/ast/extensions.rs
index 5f7e9f5b1..0433edb84 100644
--- a/crates/ra_syntax/src/ast/extensions.rs
+++ b/crates/ra_syntax/src/ast/extensions.rs
@@ -21,6 +21,16 @@ impl ast::NameRef {
21 pub fn text(&self) -> &SmolStr { 21 pub fn text(&self) -> &SmolStr {
22 text_of_first_token(self.syntax()) 22 text_of_first_token(self.syntax())
23 } 23 }
24
25 pub fn as_tuple_field(&self) -> Option<usize> {
26 self.syntax().children_with_tokens().find_map(|c| {
27 if c.kind() == SyntaxKind::INT_NUMBER {
28 c.as_token().and_then(|tok| tok.text().as_str().parse().ok())
29 } else {
30 None
31 }
32 })
33 }
24} 34}
25 35
26fn text_of_first_token(node: &SyntaxNode) -> &SmolStr { 36fn text_of_first_token(node: &SyntaxNode) -> &SmolStr {