1 error: calling `.extend(_.chars())`
2 --> $DIR/string_extend.rs:16:5
4 16 | s.extend(abc.chars());
5 | ^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.push_str(abc)`
7 = note: `-D clippy::string-extend-chars` implied by `-D warnings`
9 error: calling `.extend(_.chars())`
10 --> $DIR/string_extend.rs:19:5
12 19 | s.extend("abc".chars());
13 | ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.push_str("abc")`
15 error: calling `.extend(_.chars())`
16 --> $DIR/string_extend.rs:22:5
18 22 | s.extend(def.chars());
19 | ^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.push_str(&def)`
21 error: aborting due to 3 previous errors