| slovo | definícia |
condition out
(foldoc) | condition out
A programming technique that prevents a section of
code from being executed by putting it in an if statement
whose condition is always false.
It is often easier to do this than to comment out the code
because you don't need to modify the code itself (as you would if
commenting out each line individually) or worry about {nested
comments} within the code (as you would if putting nesting comment
delimiters around it).
For example, in Perl you could write:
if (0) {
...code to be ignored...
}
In a compiled language, the compiler could simply generate no
code for the whole if statement. Some compiled languages such as
C provide compile-time directives that achieve the same effect,
e.g.:
#if 0
...code to be ignored...
#endif
(or "#ifdef notdef").
[Jargon File]
(2013-12-08)
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condition out
(jargon) | condition out
vt.
To prevent a section of code from being compiled by surrounding it with a
conditional-compilation directive whose condition is always false. The {
canonical} examples of these directives are #if 0 (or #ifdef notdef, though
some find the latter bletcherous) and #endif in C. Compare comment out.
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