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Agarunov/swift_4_1_whats_new_compact_map.swift

Last active April 3, 2018 16:35
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swift_4_1_whats_new_compact_map.swift
let friends = ["Ross", nil, "Joey", "Chandler"]
// Swift 4.0
let array1 = friends.flatMap { $0 } // ["Ross", "Joey", "Chandler"]
// Swift 4.1
let array2 = friends.compactMap { $0 } // ["Ross", "Joey", "Chandler"]
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