|  | // 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" | 
|  |  | 
|  | 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) | 
|  | } | 
|  | } | 
|  |  | 
|  | 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 | 
|  | ) |