concrete value that it holds, and printing continues with the next rule.

2. If an operand implements the [Formatter] interface, it will
be invoked. In this case the interpretation of verbs and flags is
controlled by that implementation.

3. If the %v verb is used with the # flag (%#v) and the operand
implements the [GoStringer] interface, that will be invoked.

If the format (which is implicitly %v for [Println] etc.) is valid

//
// The two methods [Addr.Network] and [Addr.String] conventionally return strings
// that can be passed as the arguments to [Dial], but the exact form
// and meaning of the strings is up to the implementation.
type Addr interface {
	Network() string // name of the network (for example, "tcp", "udp")
	String() string  // string form of address (for example, "192.0.2.1:25", "[2001:db8::1]:80")
}

	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

			for _, x := range v {
				h = fnvUint64(h, uint64(x))
			}
		}
	}
	return h
}

// Trivial error implementation, here to avoid importing errors.

type parseError struct{ text string }

func (e *parseError) Error() string { return e.text }

// FNV-1a implementation. See Go's hash/fnv/fnv.go.
// Copied here for simplicity (can handle uints directly)
// and to avoid the dependency.

const (

	}
	if fails > 0 {
		t.Logf("# of failed Dials: %v", fails)
	}
}

func TestTCPReadWriteAllocs(t *testing.T) {
	switch runtime.GOOS {
	case "plan9":
		// The implementation of asynchronous cancelable
		// I/O on Plan 9 allocates memory.
		// See net/fd_io_plan9.go.
		t.Skipf("not supported on %s", runtime.GOOS)
	}

	ln, err := Listen("tcp", "127.0.0.1:0")
	if err != nil {

	B	sub4
copy:
	MOVD	ZR, c+56(FP)
	CMP	R1, R3
	BEQ	done
copy_4:				// no carry flag, copy the rest
	vwOneIterCopy(R0, done)
	B	copy_4

// func shlVU(z, x []Word, s uint) (c Word)
// This implementation handles the shift operation from the high word to the low word,
// which may be an error for the case where the low word of x overlaps with the high

// Package io provides basic interfaces to I/O primitives.
// Its primary job is to wrap existing implementations of such primitives,
// such as those in package os, into shared public interfaces that
// abstract the functionality, plus some other related primitives.
//
// Because these interfaces and primitives wrap lower-level operations with
// various implementations, unless otherwise informed clients should not
// assume they are safe for parallel execution.

//
// Implementations of PublicSuffixList must be safe for concurrent use by
// multiple goroutines.
//
// An implementation that always returns "" is valid and may be useful for
// testing but it is not secure: it means that the HTTP server for foo.com can
// set a cookie for bar.com.
//
// A public suffix list implementation is in the package
// golang.org/x/net/publicsuffix.

			}
		}
	}
	return h
}

// Trivial error implementation, here to avoid importing errors.

// parseError is a trivial error implementation,
// defined here to avoid importing errors.
type parseError struct{ text string }

func (e *parseError) Error() string { return e.text }

// FNV-1a implementation. See Go's hash/fnv/fnv.go.
// Copied here for simplicity (can handle integers more directly)

// to respect the negative parameter in the non-finite form.
//
// Implementations may choose to set the negative parameter to true on a zero or NaN value,
// but implementations that do not differentiate between negative and positive
// zero or NaN values should ignore the negative parameter without error.