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container/Sources/ContainerCommands/ListFormat+ExpressibleByArgument.swift

26 lines
1.3 KiB
Swift

//===----------------------------------------------------------------------===//
// Copyright © 2026 Apple Inc. and the container project authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//===----------------------------------------------------------------------===//
import ArgumentParser
import ContainerResource
// `ListFormat` lives in `ContainerResource`, which must not depend on ArgumentParser
// (a CLI-parsing concern, not a resource/data-model concern). ArgumentParser already
// provides a free `init?(argument:)` for any `RawRepresentable where RawValue == String`,
// so this retroactive conformance is zero-cost — declared once here for every command
// in this target that uses `@Option var format: ListFormat`.
extension ListFormat: ExpressibleByArgument {}