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]
Last updated: 2013-12-08
Nearby terms:
condela ♦ condition out ♦ condom ♦ Conference On DAta SYstems Languages
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