buffer-length ( buffer: buffer -- n )
Factor handbook » The language » Collections » Locked I/O buffers

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Vocabulary
io.buffers

Inputs

buffer

a buffer

Outputs

n	a non-negative integer

Word description
Outputs the number of unconsumed bytes in the buffer.

Examples

USING: alien destructors io.buffers kernel prettyprint ; 100 <buffer> [ B{ 7 14 21 } binary-object pick buffer-write buffer-length ] with-disposal .
3

Definition

USING: accessors kernel math.private typed ;

IN: io.buffers

TYPED: buffer-length ( buffer: buffer -- n )
    [ fill>> ] [ pos>> ] bi fixnum-fast ; inline