package config import "context" type contextKey string var contextKeyConfig = contextKey("config") // Context returns a new Context that carries the provided Config. func (cfg Config) Context(ctx context.Context) context.Context { return context.WithValue(ctx, contextKeyConfig, cfg) } // FromContext will return the Config carried in the provided Context. // // It panics if config is not available on the current context. func FromContext(ctx context.Context) Config { return ctx.Value(contextKeyConfig).(Config) }