Roman Mirzoyan ramzesenok
ramzesenok
/ calc.swift
Last active
October 17, 2021 10:42
Here's my attempt to create a calculator, that takes a string as an input, parses it and calculates the result. Key difficulties: taking the operator's precedence and parenthesis in account. Operates only on integer values. Solved using an AST
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| // MARK: - Data Structures | |
| enum Operation: String { | |
| case add = "+" | |
| case subtract = "-" | |
| case multiply = "*" | |
| case divide = "/" | |
| var action: (Int, Int) -> Int { | |
| switch self { |
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| func jpegDataFrom(image:NSImage) -> Data { | |
| let cgImage = image.cgImage(forProposedRect: nil, context: nil, hints: nil)! | |
| let bitmapRep = NSBitmapImageRep(cgImage: cgImage) | |
| let jpegData = bitmapRep.representation(using: NSBitmapImageRep.FileType.jpeg, properties: [:])! | |
| return jpegData | |
| } |