package contextx import ( "context" "git.i2edu.net/i2/go-zero/core/mapping" ) const contextTagKey = "ctx" var unmarshaler = mapping.NewUnmarshaler(contextTagKey) type contextValuer struct { context.Context } func (cv contextValuer) Value(key string) (interface{}, bool) { v := cv.Context.Value(key) return v, v != nil } // For unmarshals ctx into v. func For(ctx context.Context, v interface{}) error { return unmarshaler.UnmarshalValuer(contextValuer{ Context: ctx, }, v) }