Difference between revisions of "Assert"
From GiderosMobile
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'''<translate>Available since</translate>:''' Gideros 2011.6<br/> | '''<translate>Available since</translate>:''' Gideros 2011.6<br/> | ||
'''<translate>Class</translate>:''' [[Special:MyLanguage/(global)|(global)]]<br/> | '''<translate>Class</translate>:''' [[Special:MyLanguage/(global)|(global)]]<br/> | ||
| + | |||
=== <translate>Description</translate> === | === <translate>Description</translate> === | ||
<translate>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!"</translate> | <translate>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!"</translate> | ||
<source lang="lua"> | <source lang="lua"> | ||
| − | + | assert(v,message) | |
</source> | </source> | ||
| + | |||
=== <translate>Parameters</translate> === | === <translate>Parameters</translate> === | ||
| − | '''v''': (any) <translate>expression/function to assert</translate> <br/> | + | '''v''': (any) <translate>expression/function to assert</translate><br/> |
'''message''': (string) <translate>error message if assert fails</translate> '''optional'''<br/> | '''message''': (string) <translate>error message if assert fails</translate> '''optional'''<br/> | ||
| + | |||
| + | {{(global)}} | ||
Revision as of 03:57, 11 February 2020
Available since: Gideros 2011.6
Class: (global)
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)
Parameters
v: (any) expression/function to assert
message: (string) error message if assert fails optional
