bcdp

bcdp( 
g_value 
) 
=> t / nil

Checks if an object is a binary primitive function.

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

g_value

Object to check.

`t`	If g_value is a binary function.
`nil`	If g_value is not a binary function.

bcdp(getd('plus))

=> t

bcdp('plus)

=> nil