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Added NoError type #132

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Jan 29, 2016
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8 changes: 8 additions & 0 deletions Result/Result.swift
Original file line number Diff line number Diff line change
Expand Up @@ -214,5 +214,13 @@ extension NSError: ErrorTypeConvertible {
}
}

// MARK: -

/// An “error” that is impossible to construct.
///
/// This can be used to describe `Result`s where failures will never
/// be generated. For example, `Result<Int, NoError>` describes a result that
/// contains an `Int`eger and is guaranteed never to be a `Failure`.
public enum NoError: ErrorType { }

import Foundation