# Module UTF8.Buf

    module Buf: sig .. end

Buffer module for UTF-8 strings

    type buf

Buffers for UTF-8 strings.

    val create : int -> buf

`create n` creates a buffer with the initial size `n`-bytes.

    val contents : buf -> UTF8.t

`contents buf` returns the contents of the buffer.

    val clear : buf -> unit

Empty the buffer, but retains the internal storage which was holding the contents

    val reset : buf -> unit

Empty the buffer and de-allocate the internal storage.

    val add_char : buf -> UChar.uchar -> unit

Add one Unicode character to the buffer.

    val add_string : buf -> UTF8.t -> unit

Add the UTF-8 string to the buffer.

    val add_buffer : buf -> buf -> unit

`add_buffer b1 b2` adds the contents of `b2` to `b1`. The contents of `b2` is not changed.