Parse Numbers in Go (Challenge)

Introduction

The purpose of this challenge is to demonstrate how to parse numbers from strings in Go.

Skills Graph

Number Parsing

Parsing numbers from strings is a common task in many programs. This challenge requires you to use the built-in strconv package to parse different types of numbers from strings.

Requirements

• Use the strconv package to parse numbers from strings.
• Parse a float with ParseFloat.
• Parse an int with ParseInt.
• Parse a hex-formatted number with ParseInt.
• Parse an unsigned int with ParseUint.
• Parse a base-10 int with Atoi.
• Handle errors returned by the parse functions.

Example

$ go run number-parsing.go
1.234
123
456
789
135
strconv.ParseInt: parsing "wat": invalid syntax

## Next we'll look at another common parsing task: URLs.

Summary

This challenge demonstrated how to parse different types of numbers from strings in Go using the strconv package. By completing this challenge, you should have a better understanding of how to handle number parsing in your Go programs.