error[E0599]: no method named `iter` found for reference `&'static str` in the current scope --> $DIR/suggest-using-chars.rs:2:19 | LL | let _ = "foo".iter(); | ^^^^ method not found in `&str` | help: because of the in-memory representation of `&str`, to obtain an `Iterator` over each of its codepoint use method `chars` | LL | let _ = "foo".chars(); | ~~~~~ error[E0599]: no method named `foo` found for reference `&'static str` in the current scope --> $DIR/suggest-using-chars.rs:3:19 | LL | let _ = "foo".foo(); | ^^^ method not found in `&str` error[E0599]: no method named `iter` found for struct `String` in the current scope --> $DIR/suggest-using-chars.rs:4:33 | LL | let _ = String::from("bar").iter(); | ^^^^ method not found in `String` | help: because of the in-memory representation of `&str`, to obtain an `Iterator` over each of its codepoint use method `chars` | LL | let _ = String::from("bar").chars(); | ~~~~~ error[E0599]: no method named `iter` found for reference `&String` in the current scope --> $DIR/suggest-using-chars.rs:5:36 | LL | let _ = (&String::from("bar")).iter(); | ^^^^ method not found in `&String` | help: because of the in-memory representation of `&str`, to obtain an `Iterator` over each of its codepoint use method `chars` | LL | let _ = (&String::from("bar")).chars(); | ~~~~~ error[E0599]: no method named `iter` found for type `{integer}` in the current scope --> $DIR/suggest-using-chars.rs:6:15 | LL | let _ = 0.iter(); | ^^^^ method not found in `{integer}` error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0599`.