Function regorust::regoIsAvailableBuiltIn

pub unsafe extern "C" fn regoIsAvailableBuiltIn(
    rego: *mut regoInterpreter,
    name: *const c_char,
) -> regoBoolean

@brief Returns whether the specified name corresponds to an available built-in in the interpreter. @param rego The interpreter. @param name The name of the built-in. @return Whether the built-in exists.