.

vendor/github.com/lmittmann/tint/buffer.go

@@ -0,0 +1,40 @@
+package tint
+
+import "sync"
+
+type buffer []byte
+
+var bufPool = sync.Pool{
+	New: func() any {
+		b := make(buffer, 0, 1024)
+		return (*buffer)(&b)
+	},
+}
+
+func newBuffer() *buffer {
+	return bufPool.Get().(*buffer)
+}
+
+func (b *buffer) Free() {
+	// To reduce peak allocation, return only smaller buffers to the pool.
+	const maxBufferSize = 16 << 10
+	if cap(*b) <= maxBufferSize {
+		*b = (*b)[:0]
+		bufPool.Put(b)
+	}
+}
+
+func (b *buffer) Write(bytes []byte) (int, error) {
+	*b = append(*b, bytes...)
+	return len(bytes), nil
+}
+
+func (b *buffer) WriteByte(char byte) error {
+	*b = append(*b, char)
+	return nil
+}
+
+func (b *buffer) WriteString(str string) (int, error) {
+	*b = append(*b, str...)
+	return len(str), nil
+}