63 lines
2.3 KiB
Haxe
63 lines
2.3 KiB
Haxe
/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package haxe.ds;
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/**
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`ReadOnlyArray` is an abstract over an ordinary `Array` which only exposes
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APIs that don't modify the instance, hence "read-only".
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Note that this doesn't necessarily mean that the instance is *immutable*.
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Other code holding a reference to the underlying `Array` can still modify it,
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and the reference can be obtained with a `cast`.
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**/
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@:forward(copy, filter, indexOf, iterator, keyValueIterator, join, lastIndexOf, map, slice, contains, toString)
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abstract ReadOnlyArray<T>(Array<T>) from Array<T> to Iterable<T> {
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/**
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The length of `this` Array.
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**/
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public var length(get, never):Int;
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inline function get_length()
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return this.length;
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@:arrayAccess inline function get(i:Int)
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return this[i];
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/**
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Returns a new Array by appending the elements of `a` to the elements of
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`this` Array.
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This operation does not modify `this` Array.
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If `a` is the empty Array `[]`, a copy of `this` Array is returned.
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The length of the returned Array is equal to the sum of `this.length`
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and `a.length`.
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If `a` is `null`, the result is unspecified.
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**/
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public inline function concat(a:ReadOnlyArray<T>):Array<T> {
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return this.concat(cast a);
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}
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}
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