libgo/go/runtime/typekind.go

   1 // Copyright 2014 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package runtime
   6
   7 const (
   8         kindBool = 1 + iota
   9         kindInt
  10         kindInt8
  11         kindInt16
  12         kindInt32
  13         kindInt64
  14         kindUint
  15         kindUint8
  16         kindUint16
  17         kindUint32
  18         kindUint64
  19         kindUintptr
  20         kindFloat32
  21         kindFloat64
  22         kindComplex64
  23         kindComplex128
  24         kindArray
  25         kindChan
  26         kindFunc
  27         kindInterface
  28         kindMap
  29         kindPtr
  30         kindSlice
  31         kindString
  32         kindStruct
  33         kindUnsafePointer
  34
  35         kindDirectIface = 1 << 5
  36         kindGCProg      = 1 << 6
  37         kindNoPointers  = 1 << 7
  38         kindMask        = (1 << 5) - 1
  39 )
  40
  41 // isDirectIface reports whether t is stored directly in an interface value.
  42 func isDirectIface(t *_type) bool {
  43         return t.kind&kindDirectIface != 0
  44 }