Code Snippets – Page 7

Category: Concurrency

tags:

Sync Waitgroup

Synchronize with WaitGroup

Wait for a batch of goroutines using sync.WaitGroup.

Author: chris

Language: Go

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Category: Concurrency

tags:

Channels Concurrency Tag Goroutines

Goroutines and Channels

Fan-in pattern: workers push results onto a channel.

Author: chris

Language: Go

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Category: File I/O

tags:

File Recursion Walk

Walk a Directory Tree with filepath.WalkDir

Recursively walk a path with filepath.WalkDir (Go 1.16+).

Author: chris

Language: Go

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Category: Sorting & Data Structures

tags:

Slices Sort

Sort Slice of Structs in Go

Sort a slice of structs with sort.Slice and a less func.

Author: chris

Language: Go

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Category: Strings & Text

tags:

Capture Regex

Regex FindAllString in Go

Compile a regex and pull every match out of a string.

Author: chris

Language: Go

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Category: Cryptography & Hashing

tags:

Digest Hash Sha256

SHA256 Hash in Go

Compute a SHA256 digest with the crypto/sha256 stdlib.

Author: chris

Language: Go

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Category: Utilities

tags:

Json Serialization

JSON Marshal and Unmarshal in Go

Encode and decode structs with the encoding/json stdlib.

Author: chris

Language: Go

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Category: Networking & HTTP

tags:

Get Http

HTTP GET in Go

Make an HTTP GET with net/http and read the body.

Author: chris

Language: Go

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Category: File I/O

tags:

File Io

Write a File in Go

Atomically write bytes to disk with os.WriteFile.

Author: chris

Language: Go

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Category: File I/O

tags:

File Io

Read a File to String in Go

Read an entire file into memory with os.ReadFile.

Author: chris

Language: Go

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