carbon-lang/toolchain/check/testdata/interface/fail_member_lookup.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 Interface {
  fn F();

  let T:! type;
}

fn F() {
  // CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+3]]:3: ERROR: Value of type `<associated <function> in Interface>` is not callable.
  // CHECK:STDERR:   Interface.F();
  // CHECK:STDERR:   ^~~~~~~~~~~~
  Interface.F();

  // CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+3]]:10: ERROR: Cannot implicitly convert from `<associated type in Interface>` to `type`.
  // CHECK:STDERR:   var v: Interface.T;
  // CHECK:STDERR:          ^~~~~~~~~~~
  var v: Interface.T;
}

// CHECK:STDOUT: --- fail_member_lookup.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %.1: type = interface_type @Interface [template]
// CHECK:STDOUT:   %.2: type = assoc_entity_type @Interface, <function> [template]
// CHECK:STDOUT:   %.3: <associated <function> in Interface> = assoc_entity element0, @Interface.%F [template]
// CHECK:STDOUT:   %.4: type = assoc_entity_type @Interface, type [template]
// CHECK:STDOUT:   %.5: <associated type in Interface> = assoc_entity element1, @Interface.%T [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Interface = %Interface.decl
// CHECK:STDOUT:     .F = %F
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Interface.decl: type = interface_decl @Interface [template = constants.%.1] {}
// CHECK:STDOUT:   %F: <function> = fn_decl @F.2 [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface {
// CHECK:STDOUT:   %Self: Interface = bind_symbolic_name Self [symbolic]
// CHECK:STDOUT:   %F: <function> = fn_decl @F.1 [template] {}
// CHECK:STDOUT:   %.loc8: <associated <function> in Interface> = assoc_entity element0, %F [template = constants.%.3]
// CHECK:STDOUT:   %T: type = assoc_const_decl T [template]
// CHECK:STDOUT:   %.loc10: <associated type in Interface> = assoc_entity element1, %T [template = constants.%.5]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %.loc8
// CHECK:STDOUT:   .T = %.loc10
// CHECK:STDOUT:   witness = (%F, %T)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.1();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Interface.ref.loc17: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
// CHECK:STDOUT:   %F.ref: <associated <function> in Interface> = name_ref F, @Interface.%.loc8 [template = constants.%.3]
// CHECK:STDOUT:   %Interface.ref.loc22: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
// CHECK:STDOUT:   %T.ref: <associated type in Interface> = name_ref T, @Interface.%.loc10 [template = constants.%.5]
// CHECK:STDOUT:   %v.var: ref <error> = var v
// CHECK:STDOUT:   %v: ref <error> = bind_name v, %v.var
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: