Function OBJECT 

unsafe fn OBJECT(x: SEXP) -> c_int

Check if SEXP has the “object” bit set (has a class).

Returns non-zero if object has a class attribute. Checked wrapper for OBJECT. Calls OBJECT_unchecked and routes through with_r_thread. Generated from source location line 2288, column 8. Generated from source file miniextendr-api/src/ffi.rs.