File: null.doc

package info (click to toggle)
hol88 2.02.19940316-35
  • links: PTS
  • area: main
  • in suites: buster
  • size: 65,988 kB
  • ctags: 21,623
  • sloc: ml: 199,939; ansic: 9,666; sh: 7,118; makefile: 6,095; lisp: 2,747; yacc: 894; sed: 201; cpp: 87; awk: 5
file content (22 lines) | stat: -rw-r--r-- 249 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
\DOC null

\TYPE {null : (* list -> bool)}

\SYNOPSIS
Tests for empty list.

\DESCRIBE
Returns {true} for an empty list. Otherwise it returns {false}.

\FAILURE
Never fails.

\EXAMPLE
{
#null [];;
true : bool

#null [1;2;3];;
false : bool
}
\ENDDOC