Allow extending a chain after raw string literal

src/utils.rs

@@ -111,9 +111,10 @@ pub fn trimmed_last_line_width(s: &str) -> usize {
 #[inline]
 pub fn last_line_extendable(s: &str) -> bool {
     s.lines().last().map_or(false, |s| {
-        s.trim()
-            .chars()
-            .all(|c| c == ')' || c == ']' || c == '}' || c == '?')
+        s.ends_with("\"#") ||
+            s.trim()
+                .chars()
+                .all(|c| c == ')' || c == ']' || c == '}' || c == '?')
     })
 }
 

tests/source/chains.rs

@@ -152,3 +152,14 @@ fn issue_1004() {
             })
             ?;
 }
+
+fn issue1392() {
+    test_method(r#"
+        if foo {
+            a();
+        }
+        else {
+            b();
+        }
+        "#.trim());
+}

tests/target/chains.rs

@@ -169,3 +169,16 @@ fn issue_1004() {
         in_binder(f, tcx, &ty::Binder(""), Some(tap))
     })?;
 }
+
+fn issue1392() {
+    test_method(
+        r#"
+        if foo {
+            a();
+        }
+        else {
+            b();
+        }
+        "#.trim(),
+    );
+}