pairp

pairp( 
g_obj 
) 
=> t / nil

Checks if an object is a cons object, that is, a non-empty list. This function is equivalent to dtpr.

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

g_obj

Any SKILL object.

`t`	g_obj is a `cons` object.
`nil`	g_obj is not a `cons` object.

(pairp nil)        
=> nil

(pairp 123)

=> nil

(pairp '(1 2))

=> t