buffer-read ( n: fixnum buffer: buffer -- byte-array )
Factor handbook > The language > Collections > Locked I/O buffers

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Vocabulary
io.buffers

Inputs and outputs
na non-negative integer
buffera buffer
byte-arraya byte-array


Word description
Collects a byte array of n bytes starting from the buffer's current position, and advances the position accordingly. If there are less than n bytes available, the output is truncated.

Examples
USING: alien destructors io.buffers kernel prettyprint ; 5 100 <buffer> [ B{ 7 14 21 } binary-object pick buffer-write buffer-read ] with-disposal .
B{ 7 14 21 }


Definition