Function NewTruncBuffer

go/internal/truncbuffer/truncbuffer.go:18–23

NewTruncBuffer creates a TruncBuffer that keeps at most n bytes.

(n int)

// NewTruncBuffer creates a TruncBuffer that keeps at most n bytes.
func NewTruncBuffer(n int) *TruncBuffer {
	return &TruncBuffer{
		buf:  make([]byte, n),
		size: n,
	}
}

// Write appends p to the buffer, keeping only the last size bytes.
// The return value n is the length of p;