CLI Calculator - Reading User Input in Rust | Rust by Examples (Lesson 2)

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5:18
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Taught by Celeste AI - AI Coding Coach
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Description
Build an interactive command-line calculator in Rust! Learn how to read user input, parse strings to numbers, and use match expressions for clean operator handling. ๐Ÿฆ€ What You'll Learn: โ€ข Reading input with std::io::stdin() โ€ข Parsing strings to numbers with .parse() โ€ข Using .trim() to clean input โ€ข Match expressions for operator handling โ€ข Building interactive CLI programs โฑ๏ธ Timestamps: 0:00 - Introduction 0:15 - Creating the Calculator Project 0:36 - Reading User Input Explained 0:56 - stdin Demo (Writing Code) 1:46 - Parsing Strings to Numbers 2:06 - Parsing Demo 2:51 - Building the Calculator Logic 3:11 - Calculator Code Walkthrough 3:44 - Running the Calculator 4:20 - Recap 4:45 - Thanks for Watching ๐Ÿ“š Series: Rust by Examples - Learn Rust through hands-on projects! ๐Ÿ”— Previous: Lesson 01 - Hello Cargo ๐Ÿ”— Next: Lesson 03 - Guessing Game ๐Ÿ“ Code: https://github.com/codegiz/rustbyexamples ๐Ÿ‘ Like and Subscribe for more Rust tutorials! ๐Ÿ”” Hit the bell to get notified of new lessons! #rust #rustlang #programming #calculator #stdin #tutorial #coding #beginners #rustbyexamples
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Duration

5:18

Published

January 10, 2026

Added to Codegiz

March 15, 2026

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