efortuna@google.com
2262eaa5ed
Review URL: https://codereview.chromium.org//11035069 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@13335 260f80e4-7a28-3924-810f-c04153c831b5
34 lines
1.3 KiB
Dart
34 lines
1.3 KiB
Dart
// Copyright (c) 2011, 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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// Dart core library.
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/**
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* Super-type of all function types.
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*
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* A function value, or an instance of a class with a "call" method, is a
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* subtype of a function type, and as such, a subtype of [Function].
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*/
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abstract class Function {
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/**
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* Dynamically call [function] with the specified arguments.
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*
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* Acts the same as calling function with positional arguments
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* corresponding to the elements of [positionalArguments] and
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* named arguments corresponding to the elements of [namedArguments].
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*
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* This includes giving the same errors if [function] isn't callable or
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* if it expects different parameters.
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*
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* Example: [: Function.apply(foo, [1,2,3], {"f": 4, "g": 5}) :] gives
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* exactly the same result as [: foo(1, 2, 3, f: 4, g: 5) :].
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*
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* If [positionalArguments] is null, it's considered an empty list.
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* If [namedArguments] is omitted or null, it is considered an empty map.
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*/
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external static apply(Function function,
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List positionalArguments,
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[Map<String,Dynamic> namedArguments]);
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}
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