riot_sys

Type Alias ble_gatt_access_fn

Source
pub type ble_gatt_access_fn = Option<unsafe extern "C" fn(conn_handle: u16, attr_handle: u16, ctxt: *mut ble_gatt_access_ctxt, arg: *mut c_void) -> c_int>;

Aliased Type§

enum ble_gatt_access_fn {
    None,
    Some(unsafe extern "C" fn(_: u16, _: u16, _: *mut ble_gatt_access_ctxt, _: *mut c_void) -> i32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: u16, _: u16, _: *mut ble_gatt_access_ctxt, _: *mut 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