riot_sys

Type Alias __compar_fn_t

Source
pub type __compar_fn_t = Option<unsafe extern "C" fn(arg1: *const c_void, arg2: *const c_void) -> c_int>;

Aliased Type§

enum __compar_fn_t {
    None,
    Some(unsafe extern "C" fn(_: *const c_void, _: *const c_void) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *const c_void, _: *const c_void) -> i32)

Some value of type T.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 4 bytes

Size for each variant:

  • None: 0 bytes
  • Some: 4 bytes