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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import struct TSCUtility.Version
/// A bound version for a package within an assignment.
public enum BoundVersion: Equatable, Hashable {
/// The assignment should not include the package.
///
/// This is different from the absence of an assignment for a particular
/// package, which only indicates the assignment is agnostic to its
/// version. This value signifies the package *may not* be present.
case excluded
/// The version of the package to include.
case version(Version)
/// The package assignment is unversioned.
case unversioned
/// The package assignment is this revision.
case revision(String, branch: String? = nil)
}
extension BoundVersion: CustomStringConvertible {
public var description: String {
switch self {
case .excluded:
return "excluded"
case .version(let version):
return version.description
case .unversioned:
return "unversioned"
case .revision(let identifier, _):
return identifier
}
}
}
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