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types2: move RangeKeyVal func into compilersupport.go

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This function only exists in types2.

Change-Id: If0a8b6aaf496142cefdf088bd5656536f4ed101c
Reviewed-on: https://go-review.googlesource.com/c/go/+/604276
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Robert Griesemer <gri@google.com>
This commit is contained in:
Robert Griesemer 2024-08-08 13:54:56 -07:00 committed by Gopher Robot
parent a01820c733
commit 38c766ee0f
2 changed files with 8 additions and 7 deletions
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8
src/cmd/compile/internal/types2/compilersupport.go
View File

@ -28,3 +28,11 @@ func AsSignature(t Type) *Signature {
func CoreType(t Type) Type {
return coreType(t)
}
// RangeKeyVal returns the key and value types for a range over typ.
// It panics if range over typ is invalid.
func RangeKeyVal(typ Type) (Type, Type) {
key, val, _, ok := rangeKeyVal(typ, nil)
assert(ok)
return key, val
}

7
src/cmd/compile/internal/types2/stmt.go
View File

@ -1001,13 +1001,6 @@ func (check *Checker) rangeStmt(inner stmtContext, s *syntax.ForStmt, rclause *s
check.stmt(inner, s.Body)
}
// RangeKeyVal returns the key and value types for a range over typ.
// Exported for use by the compiler (does not exist in go/types).
func RangeKeyVal(typ Type) (Type, Type) {
key, val, _, _ := rangeKeyVal(typ, nil)
return key, val
}
// rangeKeyVal returns the key and value type produced by a range clause
// over an expression of type typ.
// If allowVersion != nil, it is used to check the required language version.