1

how do you type a unicode like :bangbang: in xcode?

2

Use the control command space keyboard shortcut, or choose Edit → Emoji & Symbols from the menu bar.

You can also use "\u{203C}\u{FE0F}" instead of "‼️" in a string or character literal.

3

Questions like this should really be asked on the Apple forums or on general programming sites like Stack Overflow.

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