Snippets
Reading and Writing Files in Go
Learn how to read and write files in Go using os.ReadFile and os.WriteFile, the modern Go 1.16+ approach.
Regular Expression Matching in Go
Learn how to perform regular expression matching in Go using the regexp package with MatchString, MustCompile, …
Removing an Element from a Slice in Go
Learn how to remove an element from a Go slice at a specific index using the append pattern.
Replacing All Occurrences in a String in Go
Learn how to replace all or specific occurrences of substrings in Go using strings.ReplaceAll and strings.Replace …
Reversing a Slice in Go
Learn how to reverse a slice in Go using in-place swapping and the slices.Reverse function from Go 1.21+.
Reversing a String in Go
Learn how to properly reverse strings in Go using rune conversion to handle Unicode characters correctly.
Splitting and Joining Strings in Go
Learn how to split strings into slices and join them back together using the strings package in Go.
Table-Driven Tests in Go
Learn how to write table-driven tests in Go, the idiomatic approach for comprehensive test coverage.
Trimming Whitespace from Strings in Go
Learn how to trim whitespace and specific characters from strings in Go using TrimSpace, Trim, TrimLeft, and TrimRight …
Unmarshalling JSON into Structs in Go
Learn how to unmarshal JSON data into Go structs using the encoding/json package.