// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix || wasm

// Package fdtest provides test helpers for working with file descriptors across exec.
package fdtest import ( ) // Exists returns true if fd is a valid file descriptor. func ( uintptr) bool { var syscall.Stat_t := syscall.Fstat(int(), &) return != syscall.EBADF }