symbolp

symbolp( 
g_value 
) 
=> t / nil

Checks if an object is a symbol.

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

g_value

A data object.

`t`	If g_value is a symbol.
`nil`	If g_value is not a symbol.

symbolp( 'foo)            
=> t

symbolp( "foo")           
=> nil

symbolp( concat("foo"))   
=> t