Concat public struct Concat: Fn Concat joins a list of strings into a single string value. Reference. init(_:separator:) Declaration Swift public init(_ strings: Expr..., separator: Expr? = nil) Parameters strings Strings to be concatenated. separator A string separating each element in the result. © 2018 Fauna, Inc. All rights reserved. (Last updated: 2018-03-21) Generated by jazzy ♪♫ v0.8.2, a Realm project.