Code Explainers

Code explainers tagged #goroutines

go 
type Counter struct {
	counts sync.Map
}
 

A concurrent counter with sync.Map in Go

concurrency atomics sync.map
Advanced 8 steps
go 
func (h *ExportHandler) StreamExport(c *gin.Context) {
	datasetID := c.Param("id")
 
	ctx := c.Request.Context()

Streaming NDJSON progress with Gin

streaming goroutines channels
Advanced 8 steps
go 
package middleware
 
import (
	"context"

A deadline-enforcing HTTP middleware in Go

middleware context goroutines
Advanced 7 steps
go 
package logbuffer
 
import (
	"bufio"

A buffered logger with background flushing in Go

concurrency buffering context
Intermediate 8 steps
go 
package middleware
 
import (
	"context"

How a request-timeout middleware works in Gin

middleware context goroutines
Advanced 6 steps
go 
package main
 
import (
	"context"

Graceful shutdown for a Gin server in Go

graceful-shutdown signals goroutines
Intermediate 6 steps
go 
package fetcher
 
import (
	"context"

Bounded-concurrency HTTP fetching in Go

concurrency semaphore context-cancellation
Advanced 9 steps
go 
package ratelimit
 
import (
	"context"

A token bucket rate limiter in Go

rate-limiting concurrency goroutines
Intermediate 7 steps
go 
package fetch
 
import (
	"context"

Concurrent API fetches with errgroup in Go

concurrency goroutines error-handling
Intermediate 8 steps
go 
package main
 
import (
	"context"

Graceful HTTP shutdown in Go

graceful-shutdown signals goroutines
Intermediate 8 steps
go 
package worker
 
import (
	"fmt"

A graceful worker pool in Go

concurrency goroutines channels
Intermediate 7 steps