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https://github.com/carbon-language/carbon-lang.git
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c33c9a02f6
Includes support for the `impls`, `=`, and `==` requirement operators to the right of a `where`, but `and` to allow multiple requirements is still a TODO. --------- Co-authored-by: Josh L <josh11b@users.noreply.github.com> Co-authored-by: Richard Smith <richard@metafoo.co.uk>
58 lines
3.2 KiB
Plaintext
58 lines
3.2 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/parse/testdata/where_expr/impl_where.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/where_expr/impl_where.carbon
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interface Interface {
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let T:! type;
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}
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impl i32 as Interface where .T = () {
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}
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impl bool as Interface where .T = i32;
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// CHECK:STDOUT: - filename: impl_where.carbon
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// CHECK:STDOUT: parse_tree: [
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// CHECK:STDOUT: {kind: 'FileStart', text: ''},
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// CHECK:STDOUT: {kind: 'InterfaceIntroducer', text: 'interface'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'Interface'},
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// CHECK:STDOUT: {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'LetIntroducer', text: 'let'},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'T'},
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// CHECK:STDOUT: {kind: 'TypeTypeLiteral', text: 'type'},
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// CHECK:STDOUT: {kind: 'CompileTimeBindingPattern', text: ':!', subtree_size: 3},
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// CHECK:STDOUT: {kind: 'LetDecl', text: ';', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: '}', subtree_size: 9},
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// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'TypeImplAs', text: 'as', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Interface'},
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// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'T'},
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// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
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// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 5},
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// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 8},
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// CHECK:STDOUT: {kind: 'ImplDefinitionStart', text: '{', subtree_size: 12},
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// CHECK:STDOUT: {kind: 'ImplDefinition', text: '}', subtree_size: 13},
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// CHECK:STDOUT: {kind: 'ImplIntroducer', text: 'impl'},
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// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
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// CHECK:STDOUT: {kind: 'TypeImplAs', text: 'as', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'Interface'},
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// CHECK:STDOUT: {kind: 'WhereOperand', text: 'where', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IdentifierName', text: 'T'},
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// CHECK:STDOUT: {kind: 'DesignatorExpr', text: '.', subtree_size: 2},
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// CHECK:STDOUT: {kind: 'IntTypeLiteral', text: 'i32'},
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// CHECK:STDOUT: {kind: 'RequirementEqual', text: '=', subtree_size: 4},
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// CHECK:STDOUT: {kind: 'WhereExpr', text: 'where', subtree_size: 7},
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// CHECK:STDOUT: {kind: 'ImplDecl', text: ';', subtree_size: 11},
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// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
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// CHECK:STDOUT: ]
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