April 2017
Intermediate to advanced
316 pages
9h 33m
English
Content preview from Swift Functional Programming - Second Edition
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String interpolation
String interpolation is a way to construct a new String value from a mix of constants, variables, literals, and expressions by including their values inside a String literal. Consider the following example:
let multiplier = 3 let message = "\(multiplier) times 7.5 is \(Double (multiplier) * 7.5)" // message is "3 times 2.5 is 22.5"
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