error: character literal may only contain one codepoint --> $DIR/whitespace-character-literal.rs:5:30 | LL | let _hair_space_around = ' x​'; | ^--^ | | | help: consider removing the non-printing characters: `x` | note: there are non-printing characters, the full sequence is `\u{200a}x\u{200b}` --> $DIR/whitespace-character-literal.rs:5:31 | LL | let _hair_space_around = ' x​'; | ^^ error: aborting due to 1 previous error