Interface Sizer

msgp/write.go:28–30

Sizer is an interface implemented by types that can estimate their size when MessagePack encoded. This interface is optional, but encoding/marshaling implementations may use this as a way to pre-allocate memory for serialization.

// may use this as a way to pre-allocate
// memory for serialization.
type Sizer interface {
	Msgsize() int
}

var (
	// Nowhere is an io.Writer to nowhere