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Contents
UNLESS VERB
NAME: unless
SHORTCUT: if!
DESCRIPTION
Unless an expression is true, do something.
This is the opposite of the if verb.
SYNTAX
unless <true> do <command>
PARAMETERS
true - Does the expression evaluate to true?
command - Execute command if the expression is not true.
RESULT
Unchanged if the expression is true.
If not true, then the result will be based on the command
specified after the 'do' keyword.
ERRORS
Missing Expression!
- No expression is provided as parameter to the verb.
Other errors depend on the command that is run.
EXAMPLE
unless [container] :
x [bool] : true
false_msg [string] : It is NOT true!
on_load [script] :
unless unless.x do show "first time: " + unless.false_msg
put false into unless.x
unless unless.x do show "second time: " + unless.false_msg
SEE ALSO
if
Version data entries
22 entries across 22 versions & 2 rubygems