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// Copyright 2015 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.
package typecheck
import "cmd/compile/internal/types"
// ----------------------------------------------------------------------------
// Export format
// Tags. Must be < 0.
const (
// Objects
packageTag = -(iota + 1)
constTag
typeTag
varTag
funcTag
endTag
// Types
namedTag
arrayTag
sliceTag
dddTag
structTag
pointerTag
signatureTag
interfaceTag
mapTag
chanTag
// Values
falseTag
trueTag
int64Tag
floatTag
fractionTag // not used by gc
complexTag
stringTag
nilTag
unknownTag // not used by gc (only appears in packages with errors)
// Type aliases
aliasTag
)
var predecl []*types.Type // initialized lazily
func predeclared() []*types.Type {
if predecl == nil {
// initialize lazily to be sure that all
// elements have been initialized before
predecl = []*types.Type{
// basic types
types.Types[types.TBOOL],
types.Types[types.TINT],
types.Types[types.TINT8],
types.Types[types.TINT16],
types.Types[types.TINT32],
types.Types[types.TINT64],
types.Types[types.TUINT],
types.Types[types.TUINT8],
types.Types[types.TUINT16],
types.Types[types.TUINT32],
types.Types[types.TUINT64],
types.Types[types.TUINTPTR],
types.Types[types.TFLOAT32],
types.Types[types.TFLOAT64],
types.Types[types.TCOMPLEX64],
types.Types[types.TCOMPLEX128],
types.Types[types.TSTRING],
// basic type aliases
types.ByteType,
types.RuneType,
// error
types.ErrorType,
// untyped types
types.UntypedBool,
types.UntypedInt,
types.UntypedRune,
types.UntypedFloat,
types.UntypedComplex,
types.UntypedString,
types.Types[types.TNIL],
// package unsafe
types.Types[types.TUNSAFEPTR],
// invalid type (package contains errors)
types.Types[types.Txxx],
// any type, for builtin export data
types.Types[types.TANY],
// comparable
types.ComparableType,
}
}
return predecl
}
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