Type Alias libR_sys::R_altrep_Coerce_method_t

source ·
pub type R_altrep_Coerce_method_t = Option<unsafe extern "C" fn(arg1: SEXP, arg2: SEXPTYPE) -> SEXP>;

Aliased Type§

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

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.