Exists
Tests whether a value exists (is not null) within the Jyro type system.
Syntax
Exists(value)
Parameters
- value (any): The value to test for existence
Returns
- boolean: True if the value is not null, false if null
Description
Provides a convenient way to check for the presence of meaningful data before performing operations that require non-null values.
Examples
var result1 = Exists("hello") # Returns true
var result2 = Exists(42) # Returns true
var result3 = Exists(null) # Returns false
var result4 = Exists(array []) # Returns true (empty array exists)