1 ! :folding=indent:collapseFolds=1:
5 ! Copyright (C) 2004 Slava Pestov.
7 ! Redistribution and use in source and binary forms, with or without
8 ! modification, are permitted provided that the following conditions are met:
10 ! 1. Redistributions of source code must retain the above copyright notice,
11 ! this list of conditions and the following disclaimer.
13 ! 2. Redistributions in binary form must reproduce the above copyright notice,
14 ! this list of conditions and the following disclaimer in the documentation
15 ! and/or other materials provided with the distribution.
17 ! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 ! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
19 ! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 ! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 ! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 ! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 ! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 ! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 ! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 ! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 : vector-empty? ( obj -- ? )
36 : vector-clear ( vector -- list )
38 0 swap set-vector-length ;
40 : vector-push ( obj vector -- )
41 #! Push a value on the end of a vector.
42 dup vector-length swap set-vector-nth ;
44 : vector-peek ( vector -- obj )
45 #! Get value at end of vector without removing it.
46 dup vector-length pred swap vector-nth ;
48 : vector-pop ( vector -- obj )
49 #! Get value at end of vector and remove it.
50 dup vector-length pred ( vector top )
51 2dup swap vector-nth >r swap set-vector-length r> ;
53 : >pop> ( stack -- stack )
58 : clone-vector ( vector -- vector )
59 #! Shallow copy of a vector.