Sohu Tech Products
Jun 15, 2022 · Fundamentals
Converting Infix Expressions to Postfix and Evaluating Them in Swift
This article explains how to transform a typical infix arithmetic expression such as "8 - (6 + 4 / 2 - 1) * 2" into a postfix (Reverse Polish) form using Swift, then evaluates the postfix expression step by step with custom Swift functions and also shows a shortcut using NSExpression.
Expression EvaluationInfix to PostfixSwift
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