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[dev.typeparams] cmd/compile/internal/types: review of type.go

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The changes between (equivalent, and reviewed) go/types/type.go
and type.go can be seen by comparing patchset 1 and 3. The actual
change is just removing the "// UNREVIEWED" marker and some
comment adjustments.

Change-Id: Ied0e2f942bc96a9fcae0466761cfaa60a87668db
Reviewed-on: https://go-review.googlesource.com/c/go/+/293471
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
This commit is contained in:
Robert Griesemer 2021-02-17 21:18:07 -08:00
parent 099374b55e
commit c2314babb8
1 changed files with 5 additions and 6 deletions
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11
src/cmd/compile/internal/types2/type.go
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@ -1,4 +1,3 @@
// UNREVIEWED
// 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.
@ -207,7 +206,7 @@ type Signature struct {
// and store it in the Func Object) because when type-checking a function
// literal we call the general type checker which returns a general Type.
// We then unpack the *Signature and use the scope for the literal body.
rparams []*TypeName // reveiver type parameters from left to right; or nil
rparams []*TypeName // receiver type parameters from left to right; or nil
tparams []*TypeName // type parameters from left to right; or nil
scope *Scope // function scope, present for package-local signatures
recv *Var // nil if not a method
@ -725,9 +724,8 @@ type TypeParam struct {
bound Type // *Named or *Interface; underlying type is always *Interface
}
func (t *TypeParam) Obj() *TypeName {
return t.obj
}
// Obj returns the type name for the type parameter t.
func (t *TypeParam) Obj() *TypeName { return t.obj }
// NewTypeParam returns a new TypeParam.
func (check *Checker) NewTypeParam(obj *TypeName, index int, bound Type) *TypeParam {
@ -747,6 +745,7 @@ func (t *TypeParam) Bound() *Interface {
if n, _ := t.bound.(*Named); n != nil {
pos = n.obj.pos
}
// TODO(gri) switch this to an unexported method on Checker.
t.check.completeInterface(pos, iface)
return iface
}
@ -762,7 +761,7 @@ func optype(typ Type) Type {
if t := asTypeParam(typ); t != nil {
// If the optype is typ, return the top type as we have
// no information. It also prevents infinite recursion
// via the TypeParam converter methods. This can happen
// via the asTypeParam converter function. This can happen
// for a type parameter list of the form:
// (type T interface { type T }).
// See also issue #39680.