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Source file test/rename.go

Documentation: test

  // run
  
  // Copyright 2009 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.
  
  // Test that predeclared names can be redeclared by the user.
  
  package main
  
  import (
  	"fmt"
  	"runtime"
  )
  
  func main() {
  	n :=
  		append +
  			bool +
  			byte +
  			complex +
  			complex64 +
  			complex128 +
  			cap +
  			close +
  			delete +
  			error +
  			false +
  			float32 +
  			float64 +
  			imag +
  			int +
  			int8 +
  			int16 +
  			int32 +
  			int64 +
  			len +
  			make +
  			new +
  			nil +
  			panic +
  			print +
  			println +
  			real +
  			recover +
  			rune +
  			string +
  			true +
  			uint +
  			uint8 +
  			uint16 +
  			uint32 +
  			uint64 +
  			uintptr +
  			iota
  	if n != NUM*(NUM-1)/2 {
  		fmt.Println("BUG: wrong n", n, NUM*(NUM-1)/2)
  		runtime.Breakpoint() // panic is inaccessible
  	}
  }
  
  const (
  	// cannot use iota here, because iota = 38 below
  	append     = 1
  	bool       = 2
  	byte       = 3
  	complex    = 4
  	complex64  = 5
  	complex128 = 6
  	cap        = 7
  	close      = 8
  	delete     = 9
  	error      = 10
  	false      = 11
  	float32    = 12
  	float64    = 13
  	imag       = 14
  	int        = 15
  	int8       = 16
  	int16      = 17
  	int32      = 18
  	int64      = 19
  	len        = 20
  	make       = 21
  	new        = 22
  	nil        = 23
  	panic      = 24
  	print      = 25
  	println    = 26
  	real       = 27
  	recover    = 28
  	rune       = 29
  	string     = 30
  	true       = 31
  	uint       = 32
  	uint8      = 33
  	uint16     = 34
  	uint32     = 35
  	uint64     = 36
  	uintptr    = 37
  	iota       = 38
  	NUM        = 39
  )
  

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