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| enum CurlyBracketsType: String { | |
| case forwards = "{" | |
| case backwards = "}" | |
| private var opposite: String { | |
| switch self { | |
| case .forwards: | |
| return CurlyBracketsType.backwards.rawValue |
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| package com.fotoespiritu.twcurrency; | |
| import java.io.BufferedReader; | |
| import java.io.IOException; | |
| import java.io.InputStream; | |
| import java.io.InputStreamReader; | |
| import java.net.URISyntaxException; | |
| import java.util.ArrayList; | |
| import org.apache.http.HttpEntity; |
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| import Foundation | |
| class CalculatorBrain | |
| { | |
| private enum Op: Printable | |
| { | |
| case Operand(Double) | |
| case UnaryOperation(String, Double -> Double) | |
| case BinaryOperation(String, (Double, Double) -> Double) |