Library: Buffers (OMIOBUF) Import: omiobuf.xmd

Return type: String sink Returns: A writable output target for streaming data.

Declaration

export external string sink function writer of value buffer buf

Use the writer external string sink function to write data to the buffer passed to it.

Usage Note

To use omiobuf, you must import it into your program using a statement like this:

  import "omiobuf.xmd" prefixed by io.

(Please see the import topic for more on importing.)

Example

  ; Open a buffer and attach it to a stream.  Write data to the
  ; buffer via the stream.  Close it, and then use the data by
  ; reading it from the buffer.
  import "omiobuf.xmd" prefixed by io.
  global io.buffer b
  global stream s
  process
     open s as io.writer of b
     ; write data to "s"
     close s
     output io.reader of b

Related Syntax    iobuf.buffer    iobuf.reader

Other Library Functions    iobuf.buffer    iobuf.reader    iobuf.writer

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