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Swift 4 - optional word in string

I have searched this site and found similar answers but for some reason I still get Optional word printed, here's my code: 

if description != nil {
    description = description! + symbol + String(describing: accumulator)
    if let desc = description {
        print(desc)
    } else {
        description = String(describing: accumulator) + symbol
        if let desc = description {
            print(desc)
        }
    }
}

The output is: Optional(value)

Solution

  • String(describing: s) will output "Optional()" if the type of s is String?

    So, you need to unwrap accumulator as well as description.