Type Alias R_altreal_Get_region_method_t 

pub type R_altreal_Get_region_method_t = Option<unsafe extern "C" fn(arg1: SEXP, arg2: R_xlen_t, arg3: R_xlen_t, arg4: *mut f64) -> R_xlen_t>;

Must copy up to n elements, starting at 0-based index i, into buf[n], and return the number of elements copied. The default method defers to REAL_ELT and hence the Elt method above.

Aliased Type

pub enum R_altreal_Get_region_method_t {
    None,
    Some(unsafe extern "C" fn(*mut SEXPREC, isize, isize, *mut f64) -> isize),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut SEXPREC, isize, isize, *mut f64) -> isize)

Some value of type T.