// A MarshalingValue marshals itself into a Builder. type MarshalingValue interface { // Marshal is called by Builder.AddValue. It receives a pointer to a builder // to marshal itself into. It may return an error that occurred during // marshaling, such as unset or invalid values. Marshal(b *Builder) error }


// NewBuilder creates a Builder that appends its output to the given buffer. // Like append(), the slice will be reallocated if its capacity is exceeded. // Use Bytes to get the final buffer. func NewBuilder(buffer []byte) *Builder


// NewFixedBuilder creates a Builder that appends its output into the given // buffer. This builder does not reallocate the output buffer. Writes that // would exceed the buffer's capacity are treated as an error. func NewFixedBuilder(buffer []byte) *Builder