Assert
From OpenEUO
Revision as of 16:51, 7 October 2010 by 76.184.213.234 (Talk) (Created page with " assert (v [, message]) Issues an error when the value of its argument v is false (i.e., nil or false); otherwise, returns all its arguments. message is an error message; when a...")
assert (v [, message])
Issues an error when the value of its argument v is false (i.e., nil or false); otherwise, returns all its arguments. message is an error message; when absent, it defaults to "assertion failed!"