Golang/Context

Context(上下文) 是 Go 语言中用于在并发程序中传递截止时间、取消信号和其他请求范围值的机制.

推荐阅读

• context.go
• Go Concurrency Patterns: Context
• Contexts and structs
• How to Use Context in Golang (Deadlines, Cancellation, and Passing Values)