Type Alias libR_sys::R_altlogical_Get_region_method_t

pub type R_altlogical_Get_region_method_t = Option<unsafe extern "C" fn(arg1: SEXP, arg2: R_xlen_t, arg3: R_xlen_t, arg4: *mut c_int) -> R_xlen_t>;

Aliased Type

enum R_altlogical_Get_region_method_t {
    None,
    Some(unsafe extern "C" fn(_: *mut SEXPREC, _: isize, _: isize, _: *mut i32) -> isize),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut SEXPREC, _: isize, _: isize, _: *mut i32) -> isize)

Some value of type T.