syntax:functions:when
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when(condition, expression)
Returns the result of expression if condition is true. Otherwise returns empty value. This function is effectively a shorthand for  if(condition, expression, empty()) 
| Example | Result | 
|---|---|
| when( 2 + 2 = 4, 'Makes sense') | Makes sense | 
| when( 1 + 1 = 4, 'Makes sense') | 
syntax/functions/when.1465359570.txt.gz · Last modified:  by dmitry
                
                