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consume_checking.swift
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// RUN: %target-swift-frontend \
// RUN: -emit-sil -verify \
// RUN: %s \
// RUN: -sil-verify-all
////////////////////////////////////////////////////////////////////////////////
// https://github.com/apple/swift/issues/69252 {{
////////////////////////////////////////////////////////////////////////////////
publicenumLineEnding:String{
/// The default unix `\n` character
case lineFeed ="\n"
/// MacOS line ending `\r` character
case carriageReturn ="\r"
/// Windows line ending sequence `\r\n`
case carriageReturnLineFeed ="\r\n"
/// Initialize a line ending from a line string.
/// - Parameter line: The line to use
publicinit?(line:borrowingString){
guardlet lastChar = line.last,
let lineEnding =LineEnding(rawValue:String(lastChar))else{returnnil}
self= lineEnding
}
staticfunc makeLineEnding(_ line:borrowingString)->LineEnding?{
guardlet lastChar = line.last,
let lineEnding =LineEnding(rawValue:String(lastChar))else{returnnil}
_ = lineEnding
returnnil
}
func makeLineEnding(_ line:borrowingString)->LineEnding?{
guardlet lastChar = line.last,
let lineEnding =LineEnding(rawValue:String(lastChar))else{returnnil}
_ = lineEnding
returnnil
}
}
////////////////////////////////////////////////////////////////////////////////
// https://github.com/apple/swift/issues/69252 }}
////////////////////////////////////////////////////////////////////////////////
