Difference between revisions of "Assert"
From GiderosMobile
(Created page with "__NOTOC__ '''Available since:''' Gideros 2011.6<br/> === Description === Issues an error when the value of its argument v is false (i.e., nil or false); otherwise, returns all...") |
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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!" | 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!" | ||
<source lang="lua"> | <source lang="lua"> | ||
− | + | assert(v,message) | |
</source> | </source> | ||
− | '''v | + | '''v''': (any) expression/function to assert ''''''<br/> |
− | '''message | + | '''message''': (string) error message if assert fails '''optional'''<br/> |
Revision as of 10:21, 23 August 2018
Available since: Gideros 2011.6
Description
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!"
assert(v,message)
'v: (any) expression/function to assert '
message: (string) error message if assert fails optional