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d14ab0779a
Change-Id: I9c486f29f3bcf8a6ecf481eb25ea61d0468049b2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150667 Commit-Queue: Joshua Litt <joshualitt@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com>
29 lines
1.1 KiB
Dart
29 lines
1.1 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:_foreign_helper' show JS;
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import 'dart:_runtime' show gFnType, typeRep;
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/// Returns an unwrapped generic function type with a bounded type argument in
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/// the form: <T extends [bound]> void -> void.
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Object genericFunction(Object bound) =>
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gFnType((T) => [typeRep<void>(), []], (T) => [bound]);
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/// Returns an unwrapped generic function type with a bounded type argument in
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/// the form: <T extends [bound]> [argumentType] -> T.
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Object functionGenericReturn(Object bound, Object argType) => gFnType(
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(T) => [
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T,
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[argType]
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],
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(T) => [bound]);
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/// Returns an unwrapped generic function type with a bounded type argument in
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/// the form: <T extends [bound]> T -> [returnType].
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Object functionGenericArg(Object bound, Object returnType) => gFnType(
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(T) => [
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returnType,
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[T]
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],
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(T) => [bound]);
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