Replace complex conditional with pattern matching

phansch · phansch · commit dde46c934099 · 2021-04-10T14:42:33.000+02:00
diff --git a/clippy_lints/src/tabs_in_doc_comments.rs b/clippy_lints/src/tabs_in_doc_comments.rs
@@ -106,7 +106,7 @@ fn get_chunks_of_tabs(the_str: &str) -> Vec<(u32, u32)> {
 
     let char_indices: Vec<_> = the_str.char_indices().collect();
 
-    if char_indices.len() == 1 && char_indices.first().unwrap().1 == '\t' {
+    if let &[(_, '\t')] = &char_indices.as_slice() {
         return vec![(0, 1)];
     }
 

Original file line number	Diff line number	Diff line change
`@@ -106,7 +106,7 @@ fn get_chunks_of_tabs(the_str: &str) -> Vec<(u32, u32)> {`
`106`	`106`
`107`	`107`	`let char_indices: Vec<_> = the_str.char_indices().collect();`
`108`	`108`
`109`		`- if char_indices.len() == 1 && char_indices.first().unwrap().1 == '\t' {`
	`109`	`+ if let &[(_, '\t')] = &char_indices.as_slice() {`
`110`	`110`	`return vec![(0, 1)];`
`111`	`111`	`}`
`112`	`112`