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Swift Functional Programming - Second Edition by Dr. Fatih Nayebi

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Concatenating strings and characters

Strings and characters can be concatenated as follows:

let string1 = "Hello" let string2 = " Mr" var welcome = string1+string2 var instruction = "Follow us please" instruction += string2 let exclamationMark: Character = "!" welcome.append(exclamationMark) 

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