Code Explainers

Go code explainers

go 
package worker
 
import (
	"fmt"

A graceful worker pool in Go

concurrency goroutines channels
Intermediate 7 steps
go 
package handlers
 
import (
	"net/http"

Rendering HTML pages with Gin handlers

http-handlers templating error-handling
Beginner 8 steps
go 
package calc
 
import "testing"
 

Table-driven tests in Go

table-driven-tests error-handling subtests
Intermediate 7 steps
go 
package middleware
 
import (
	"net/http"

Building a bearer-token auth middleware in Gin

middleware authentication closures
Intermediate 5 steps
go 
package handlers
 
import (
	"net/http"

Reading path parameters in Gin

routing path-parameters wildcards
Beginner 7 steps
go 
package main
 
import "fmt"
 

How Go slices grow and share memory

slices memory append
Intermediate 7 steps
go 
package main
 
import "sync"
 

Mutex vs RWMutex in Go

concurrency mutex synchronization
Intermediate 6 steps
go 
package geometry
 
import "fmt"
 

Implementing fmt.Stringer in Go

interfaces stringer composition
Beginner 5 steps