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[dev.regabi] go/types: convert untyped arguments to delete

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This is a port of CL 285059 to go/types. The error assertion is updated
to match go/types error for assignment, which has been improved.

Change-Id: Icdd2751edea0abef7c84feadcbf9265d71239ade
Reviewed-on: https://go-review.googlesource.com/c/go/+/289716
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Robert Findley <rfindley@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
Rob Findley 2021-02-04 12:03:53 -05:00 committed by Robert Findley
parent 618e3c15bd
commit 11d15c171b
2 changed files with 3 additions and 3 deletions
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4
src/go/types/builtins.go
View File

@ -353,8 +353,8 @@ func (check *Checker) builtin(x *operand, call *ast.CallExpr, id builtinId) (_ b
return
}
if ok, code := x.assignableTo(check, m.key, nil); !ok {
check.invalidArg(x, code, "%s is not assignable to %s", x, m.key)
check.assignment(x, m.key, "argument to delete")
if x.mode == invalid {
return
}

2
src/go/types/testdata/builtins.src vendored
View File

@ -283,7 +283,7 @@ func delete1() {
delete() // ERROR not enough arguments
delete(1) // ERROR not enough arguments
delete(1, 2, 3) // ERROR too many arguments
delete(m, 0 /* ERROR not assignable */)
delete(m, 0 /* ERROR cannot use */)
delete(m, s)
_ = delete /* ERROR used as value */ (m, s)