arrayp

arrayp( 
g_value 
) 
=> t / nil

Checks if an object is an array.

The suffix p is usually added to the name of a function to indicate that it is a predicate function.

g_value

Any data object.

`t`	If g_value is an array object.
`nil`	When it is not an array object.

declare(x[10])
arrayp(x)  
=> t

arrayp('x) 
=> nil