}

// new224 returns an assembly implementation of SHA3-224 if available,
// otherwise it returns a generic implementation.
func new224() hash.Hash {
	if cpu.S390X.HasSHA3 {
		return newAsmState(sha3_224)
	}
	return new224Generic()
}

// new256 returns an assembly implementation of SHA3-256 if available,
// otherwise it returns a generic implementation.
func new256() hash.Hash {
	if cpu.S390X.HasSHA3 {

// without calling f.
func (o *Once) Do(f func()) {
	// Note: Here is an incorrect implementation of Do:
	//
	//	if o.done.CompareAndSwap(0, 1) {
	//		f()
	//	}
	//
	// Do guarantees that when it returns, f has finished.
	// This implementation would not implement that guarantee:
	// given two simultaneous calls, the winner of the cas would

// license that can be found in the LICENSE file.

package runtime

import "unsafe"

// A coro represents extra concurrency without extra parallelism,
// as would be needed for a coroutine implementation.
// The coro does not represent a specific coroutine, only the ability
// to do coroutine-style control transfers.
// It can be thought of as like a special channel that always has

		return ErrProcessDone
	}
	return err
}

func (p *Process) release() error {
	// We clear the Pid field only for API compatibility. On Unix, Release
	// has always set Pid to -1. Internally, the implementation relies
	// solely on statusReleased to determine that the Process is released.
	p.Pid = pidReleased

	switch p.mode {
	case modeHandle:
		// Drop the Process' reference and mark handle unusable for

			c.releaseLock(state)
			return
		}
	}
}

// Read reads the given counter.
// This is the implementation of x/telemetry/counter/countertest.ReadCounter.
func Read(c *Counter) (uint64, error) {
	if c.file.current.Load() == nil {
		return c.state.load().extra(), nil
	}
	pf, err := readFile(c.file)
	if err != nil {

	Env []string
	// Files specifies the open files inherited by the new process. The
	// first three entries correspond to standard input, standard output, and
	// standard error. An implementation may support additional entries,
	// depending on the underlying operating system. A nil entry corresponds
	// to that file being closed when the process starts.
	// On Unix systems, StartProcess will change these File values

CL 463097, CL 568198 - x/net CLs that implemented accepted proposal https://go.dev/issue/57953 for x/net/websocket; no need for rel note
many x/net CLs - work on accepted proposal https://go.dev/issue/58547 to add a QUIC implementation to x/net/quic
CL 514775 - implements a performance optimization for accepted proposal https://go.dev/issue/59488
CL 484995 - x/sys CL implements accepted proposal https://go.dev/issue/59537 to add x/sys/unix API

	}
	switch network {
	case "ip4":
		if ip := ip.To4(); ip != nil {
			return ip, true
		}
	case "ip6":
		if ip.IsLoopback() { // addressing scope of the loopback address depends on each implementation
			return nil, false
		}
		if ip := ip.To16(); ip != nil && ip.To4() == nil {
			return ip, true
		}
	default:
		if ip := ip.To4(); ip != nil {
			return ip, true
		}

package types2

import (
	"bytes"
	"fmt"
	"sort"
	"strings"
)

const (
	// Upper limit for recursion depth. Used to catch infinite recursions
	// due to implementation issues (e.g., see issues go.dev/issue/48619, go.dev/issue/48656).
	unificationDepthLimit = 50

	// Whether to panic when unificationDepthLimit is reached.
	// If disabled, a recursion depth overflow results in a (quiet)

package types

import (
	"bytes"
	"fmt"
	"sort"
	"strings"
)

const (
	// Upper limit for recursion depth. Used to catch infinite recursions
	// due to implementation issues (e.g., see issues go.dev/issue/48619, go.dev/issue/48656).
	unificationDepthLimit = 50

	// Whether to panic when unificationDepthLimit is reached.
	// If disabled, a recursion depth overflow results in a (quiet)