init(colorLiteralRed:,green:,blue:,alpha:) deprecated in Swift 4

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init(colorLiteralRed:green:blue:alpha:) is intended to be used with Color Literals which are managed by development tools.

Why don’t you use normal init(red:green:blue:alpha:)?

let startingColorOfGradient = UIColor(red: 255.0/255.0, green:
    255.0/255.0, blue: 255.0/255.0, alpha: 1.0).cgColor
let endingColorOFGradient = UIColor(red: 251.0/255.0, green:
    247.0/255.0, blue: 234.0/255.0, alpha: 1.0).cgColor
let gradient: CAGradientLayer = CAGradientLayer()

(Writing like 234.0/255.0 is not mandatory, in the context as above in Swift. But it prevents Swift compiler to interpret 234/255 as an integer division in some other contexts.)

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