36 lines
921 B
Objective-C
36 lines
921 B
Objective-C
//
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// MPParenthesisFunction.h
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// MathPad
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//
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// Created by Kim Wittenburg on 17.09.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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#import "MPFunction.h"
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@class MPParenthesisFunction, MPExpression;
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/*!
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@class MPParenthesisFunction
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@abstract A parenthesis function encapsulates a single expression and thus
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prioritizes it in evaluation.
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@discussion Prioritizing the expression means that the complete expression
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must be evaluated <i>as is</i>. No part of it can be <i>used</i>
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elsewhere before the parenthesis function has been evaluated.
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*/
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@interface MPParenthesisFunction : MPFunction
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/*!
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@property expression
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@abstract The expression encapsulated by the parenthesis.
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@discussion The expression must not define a variable.
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*/
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@property (nonatomic, strong) MPExpression *expression; /* Index 0 */
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@end
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