pkg syscall (netbsd-386), const CLONE_CSIGNAL = 255
pkg syscall (netbsd-386), const CLONE_CSIGNAL ideal-int
pkg syscall (netbsd-386), const CLONE_FILES = 1024
pkg syscall (netbsd-386), const CLONE_FILES ideal-int
pkg syscall (netbsd-386), const CLONE_FS = 512
pkg syscall (netbsd-386), const CLONE_FS ideal-int
pkg syscall (netbsd-386), const CLONE_PID = 4096
pkg syscall (netbsd-386), const CLONE_PID ideal-int

// slice after free may result in a fault, but this fault is also not guaranteed.
func MakeSlice[T any](a *Arena, len, cap int) []T {
	var sl []T
	runtime_arena_arena_Slice(a.a, &sl, cap)
	return sl[:len]
}

// Clone makes a shallow copy of the input value that is no longer bound to any
// arena it may have been allocated from, returning the copy. If it was not
// allocated from an arena, it is returned untouched. This function is useful

pkg syscall (netbsd-arm64), const CLONE_PTRACE = 8192
pkg syscall (netbsd-arm64), const CLONE_PTRACE ideal-int
pkg syscall (netbsd-arm64), const CLONE_SIGHAND = 2048
pkg syscall (netbsd-arm64), const CLONE_SIGHAND ideal-int
pkg syscall (netbsd-arm64), const CLONE_VFORK = 16384
pkg syscall (netbsd-arm64), const CLONE_VFORK ideal-int
pkg syscall (netbsd-arm64), const CLONE_VM = 256
pkg syscall (netbsd-arm64), const CLONE_VM ideal-int

	if i := Index(s, sep); i >= 0 {
		return s[:i], s[i+len(sep):], true
	}
	return s, nil, false
}

// Clone returns a copy of b[:len(b)].
// The result may have additional unused capacity.
// Clone(nil) returns nil.
func Clone(b []byte) []byte {
	if b == nil {
		return nil
	}
	return append([]byte{}, b...)
}

	return Pair[T1, T2]{f1: v1, f2: v2}
}

func (p Pair[X1, _]) First() X1 {
	return p.f1
}

func (p Pair[_, X2]) Second() X2 {
	return p.f2
}

// Deprecated: Use something else.
func Clone[S ~[]T, T any](s S) S {
	return append(S(nil), s...)

pkg syscall (linux-386), const CLONE_FS = 512
pkg syscall (linux-386), const CLONE_FS ideal-int
pkg syscall (linux-386), const CLONE_IO = 2147483648
pkg syscall (linux-386), const CLONE_IO ideal-int
pkg syscall (linux-386), const CLONE_NEWIPC = 134217728
pkg syscall (linux-386), const CLONE_NEWIPC ideal-int
pkg syscall (linux-386), const CLONE_NEWNET = 1073741824
pkg syscall (linux-386), const CLONE_NEWNET ideal-int

value of type <code>uint</code>.
If the left operand of a non-constant shift expression is an untyped constant,
it is first implicitly converted to the type it would assume if the shift expression were
replaced by its left operand alone.
</p>

<pre>
var a [1024]byte
var s uint = 33

// The results of the following examples are given for 64-bit ints.
var i = 1&lt;&lt;s                   // 1 has type int

pkg log/slog, method (*Record) AddAttrs(...Attr) #56345
pkg log/slog, method (*Record) Add(...interface{}) #56345
pkg log/slog, method (Record) Attrs(func(Attr) bool) #59060
pkg log/slog, method (Record) Clone() Record #56345
pkg log/slog, method (Record) NumAttrs() int #56345
pkg log/slog, method (*TextHandler) Enabled(context.Context, Level) bool #56345
pkg log/slog, method (*TextHandler) Handle(context.Context, Record) error #56345

pkg syscall (linux-386), const PTRACE_ATTACH = 16
pkg syscall (linux-386), const PTRACE_CONT = 7
pkg syscall (linux-386), const PTRACE_DETACH = 17
pkg syscall (linux-386), const PTRACE_EVENT_CLONE = 3
pkg syscall (linux-386), const PTRACE_EVENT_EXEC = 4
pkg syscall (linux-386), const PTRACE_EVENT_EXIT = 6
pkg syscall (linux-386), const PTRACE_EVENT_FORK = 1
pkg syscall (linux-386), const PTRACE_EVENT_VFORK = 2

value of type <code>uint</code>.
If the left operand of a non-constant shift expression is an untyped constant,
it is first implicitly converted to the type it would assume if the shift expression were
replaced by its left operand alone.
</p>

<pre>
var a [1024]byte
var s uint = 33

// The results of the following examples are given for 64-bit ints.
var i = 1&lt;&lt;s                   // 1 has type int