Check string for nil & empty

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感动是毒
感动是毒 2020-12-07 10:53

Is there a way to check strings for nil and \"\" in Swift? In Rails, I can use blank() to check.

I currently have this, but i

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  •  醉话见心
    2020-12-07 11:30

    You could perhaps use the if-let-where clause:

    Swift 3:

    if let string = string, !string.isEmpty {
        /* string is not blank */
    }
    

    Swift 2:

    if let string = string where !string.isEmpty {
        /* string is not blank */
    }
    

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