34 lines
708 B
Objective-C
34 lines
708 B
Objective-C
//
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// MPVariable.m
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// MathPad
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//
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// Created by Kim Wittenburg on 09.10.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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#import "MPVariable.h"
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@implementation MPVariable
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- (instancetype)initWithVariableName:(NSString *)variableName
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{
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self = [super init];
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if (self) {
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NSAssert(variableName != nil, @"variableName must not be nil.");
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NSAssert(variableName.length > 0, @"variableName must be at least one character long.");
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_variableName = variableName;
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}
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return self;
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}
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- (NSDecimalNumber *)doEvaluation:(NSError *__autoreleasing *)error
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{
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return [self valueForVariable:self.variableName
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error:error];
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}
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@end
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