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if

Runs a block code based on the result of a given condition.

ThingsDB uses lazy-evaluation of function arguments. For this reason if() is a function call, and not a statement like in most other languages.

This function does not generate an event.

Function

if(condition, if_true, [if_false])

Arguments

Argument Type Description
condition any (required) The condition to evaluate.
if_true any (required) Will be executed when the condition evaluated to true.
if_false any (optional) Will be executed when the condition evaluated to false.

Return value

Returns nil.

Example

This code shows how if(..) can be used:

if(2 > 1, {
    return("two is more than one");
});

"math is broken";

Return value in JSON format

"two is more than one"