carbon-lang/toolchain/check/testdata/impl/fail_impl_as_scope.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE

interface Simple {
  fn F();
}

// CHECK:STDERR: fail_impl_as_scope.carbon:[[@LINE+3]]:6: ERROR: `impl as` can only be used in a class.
// CHECK:STDERR: impl as Simple {
// CHECK:STDERR:      ^~
impl as Simple {
  fn F() {}
}

// CHECK:STDOUT: --- fail_impl_as_scope.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %.1: type = interface_type @Simple [template]
// CHECK:STDOUT:   %Self: Simple = bind_symbolic_name Self 0 [symbolic]
// CHECK:STDOUT:   %F.1: type = fn_type @F.1 [template]
// CHECK:STDOUT:   %.2: type = tuple_type () [template]
// CHECK:STDOUT:   %struct.1: F = struct_value () [template]
// CHECK:STDOUT:   %.3: type = assoc_entity_type @Simple, F [template]
// CHECK:STDOUT:   %.4: <associated F in Simple> = assoc_entity element0, @Simple.%F.decl [template]
// CHECK:STDOUT:   %F.2: type = fn_type @F.2 [template]
// CHECK:STDOUT:   %struct.2: F = struct_value () [template]
// CHECK:STDOUT:   %.5: <witness> = interface_witness (%struct.2) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = %Core
// CHECK:STDOUT:     .Simple = %Simple.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT:   %Simple.decl: type = interface_decl @Simple [template = constants.%.1] {}
// CHECK:STDOUT:   impl_decl @impl {
// CHECK:STDOUT:     %Simple.ref: type = name_ref Simple, %Simple.decl [template = constants.%.1]
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Simple {
// CHECK:STDOUT:   %Self: Simple = bind_symbolic_name Self 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %F.decl: F = fn_decl @F.1 [template = constants.%struct.1] {}
// CHECK:STDOUT:   %.loc8: <associated F in Simple> = assoc_entity element0, %F.decl [template = constants.%.4]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %.loc8
// CHECK:STDOUT:   witness = (%F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: <error> as Simple {
// CHECK:STDOUT:   %F.decl: F = fn_decl @F.2 [template = constants.%struct.2] {}
// CHECK:STDOUT:   %.1: <witness> = interface_witness (%F.decl) [template = constants.%.5]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .F = %F.decl
// CHECK:STDOUT:   witness = %.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.1();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: