Type Alias R_altlogical_Elt_method_t 

pub type R_altlogical_Elt_method_t = Option<unsafe extern "C" fn(arg1: SEXP, arg2: R_xlen_t) -> c_int>;

Must return x[i] for the 0-based index i. The default method returns LOGICAL(x)[i].

Aliased Type

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

Variants

None

No value.

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

Some value of type T.