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algal/PrintToStdErr.swift

Last active July 27, 2022 06:47
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print to stderr in Swift 3
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PrintToStdErr.swift
// known-good: Xcode 8, Swift 3
import Foundation
var standardError = FileHandle.standardError
extension FileHandle : TextOutputStream {
public func write(_ string: String) {
guard let data = string.data(using: .utf8) else { return }
self.write(data)
}
}
print("I am printed to stderr",to:&standardError)
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