error: character literal may only contain one codepoint --> $DIR/lex-bad-char-literals-3.rs:1:18 | LL | static c: char = '●●'; | ^^^^ help: if you meant to write a `str` literal, use double quotes | LL | static c: char = "●●"; | ^^^^ error: character literal may only contain one codepoint --> $DIR/lex-bad-char-literals-3.rs:6:20 | LL | let ch: &str = '●●'; | ^^^^ help: if you meant to write a `str` literal, use double quotes | LL | let ch: &str = "●●"; | ^^^^ error: aborting due to 2 previous errors