src/test/ui/lexer/lex-emoji-identifiers.rs

   1 fn invalid_emoji_usages() {
   2     let arrow↔️ = "basic emoji"; //~ ERROR: identifiers cannot contain emoji
   3     // FIXME
   4     let planet🪐 = "basic emoji"; //~ ERROR: unknown start of token
   5     // FIXME
   6     let wireless🛜 = "basic emoji"; //~ ERROR: unknown start of token
   7     // FIXME
   8     let key1️⃣ = "keycap sequence"; //~ ERROR: unknown start of token
   9                                     //~^ WARN: identifier contains uncommon Unicode codepoints
  10     let flag🇺🇳 = "flag sequence"; //~ ERROR: identifiers cannot contain emoji
  11     let wales🏴 = "tag sequence"; //~ ERROR: identifiers cannot contain emoji
  12     let folded🙏🏿 = "modifier sequence"; //~ ERROR: identifiers cannot contain emoji
  13 }
  14
  15 fn main() {
  16     invalid_emoji_usages();
  17 }