String characters count in Swift
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func Reverse(word: String) -> String {
let characters = Array(word.characters)
//Characters count
let charCount = word.characters.count
var result = ""
for (var i = charCount - 1; i >= 0; i--)
{
result += String(characters[i])
}
return result
}
var stringReverse = Reverse("string")
//stringReverse is "gnirts"
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