Library: Buffers (OMIOBUF) Import: omiobuf.xmd

Return type: String source Returns: A scannable input source for streaming data.

Declaration

export external string source function reader value buffer buf

Use the buffer external string source function to read the data previously written to the buffer passed to it.

Usage Note

To use reader, you must import omiobuf.xmd 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.writer

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

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