The [Func] type, which represents a function or method symbol, now
has a [Func.Signature] method that returns the function's type, which

// 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
// to more easily let an arena-allocated value out-live its arena.
// T must be a pointer, a slice, or a string, otherwise this function will panic.
func Clone[T any](s T) T {
	return runtime_arena_heapify(s).(T)
}

//go:linkname reflect_arena_New reflect.arena_New

	// Deprecated: use B.
	A         = 1
	a         = 11
	A64 int64 = 1

	AIsLowerA = a // previously declared
)

const (
	ConversionConst = MyInt(5)
)

// Variables from function calls.
var (
	V = ptwo.F()
	// Deprecated: use WError.
	VError = BarE()
	V1     = Bar1(1, 2, 3)
	V2     = ptwo.G()
)

// Variables with conversions:
var (
	StrConv  = string("foo")

	// Create a custom split function by wrapping the existing ScanWords function.
	split := func(data []byte, atEOF bool) (advance int, token []byte, err error) {
		advance, token, err = bufio.ScanWords(data, atEOF)
		if err == nil && token != nil {
			_, err = strconv.ParseInt(string(token), 10, 32)
		}
		return
	}
	// Set the split function for the scanning operation.
	scanner.Split(split)

The [SliceAt(typ Type, p unsafe.Pointer, len int)] function
returns a Value representing a slice whose underlying array starts

/* Copyright 2011 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.  */

/* An example of writing a C++ virtual function in Go.  */

%module(directors="1") callback

%{
#include <string>
#include "main.h"
%}

%include "std_string.i"

%feature("director");

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "_cgo_export.h"

/* Test calling a Go function with multiple return values.  */

void
callMulti(void)
{
	struct multi_return result = multi();
	assert(strcmp(result.r0, "multi") == 0);
	assert(result.r1 == 0);
	free(result.r0);

#ifdef _AMD64_
	CONTEXT context;
	RtlCaptureContext(&context);
	ULONG64 ControlPc;
	ControlPc = context.Rip;
	int i;
	for (i = 0; i < FramesToCapture; i++) {
		PRUNTIME_FUNCTION FunctionEntry;
		ULONG64 ImageBase;
		VOID *HandlerData;
		ULONG64 EstablisherFrame;

		FunctionEntry = RtlLookupFunctionEntry(ControlPc, &ImageBase, NULL);

		if (!FunctionEntry) {

func fitsInBase256(n int, x int64) bool {
	binBits := uint(n-1) * 8
	return n >= 9 || (x >= -1<<binBits && x < 1<<binBits)
}

// parseNumeric parses the input as being encoded in either base-256 or octal.
// This function may return negative numbers.
// If parsing fails or an integer overflow occurs, err will be set.
func (p *parser) parseNumeric(b []byte) int64 {
	// Check for base-256 (binary) format first.

const symName = "cmd/addr2line.TestAddr2Line"

func testAddr2Line(t *testing.T, dbgExePath, addr string) {
	funcName, srcPath, srcLineNo := runAddr2Line(t, dbgExePath, addr)
	if symName != funcName {
		t.Fatalf("expected function name %v; got %v", symName, funcName)
	}
	fi1, err := os.Stat("addr2line_test.go")
	if err != nil {
		t.Fatalf("Stat failed: %v", err)
	}