26 lines
894 B
Factor
26 lines
894 B
Factor
! Copyright (C) 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: sequences
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USING: generic kernel math strings vectors ;
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! This file is needed very early in bootstrap.
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! Sequences support the following protocol. Concrete examples
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! are strings, string buffers, vectors, and arrays. Arrays are
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! low level and not bounds-checked; they are in the
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! kernel-internals vocabulary, so don't use them unless you have
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! a good reason.
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GENERIC: empty? ( sequence -- ? )
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GENERIC: length ( sequence -- n )
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GENERIC: set-length ( n sequence -- )
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GENERIC: ensure-capacity ( n sequence -- )
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GENERIC: nth ( n sequence -- obj )
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GENERIC: set-nth ( value n sequence -- obj )
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GENERIC: thaw ( seq -- mutable-seq )
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GENERIC: freeze ( new orig -- new )
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GENERIC: reverse ( seq -- seq )
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GENERIC: peek ( seq -- elt )
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DEFER: append ! remove this when sort is moved from lists to sequences
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