1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
-- Status: rewritten July 2018
-- Author: Lily Silverstein
doc///
Key
switch
(switch,ZZ,ZZ,VisibleList)
Headline
copy a list, switching two elements
Usage
switch(i, j, L)
Inputs
i: ZZ
j: ZZ
L: VisibleList
Outputs
L2:
a copy of the list {\tt L}, with the elements in positions {\tt i} and {\tt j} interchanged.
Description
Text
A negative value of {\tt i} or {\tt j} is taken relative to the end of the list.
Example
L = 0..10;
switch(3, 9, L)
switch(0, -1, L)
switch(-1, -2, L)
SeeAlso
insert
reverse
"lists and sequences"
///
|
