Type Alias riot_sys::event_handler_t

source ·

pub type event_handler_t = Option<unsafe extern "C" fn(arg1: *mut event_t)>;

Expand description

@brief event handler type definition

Aliased Type§

enum event_handler_t {
    None,
    Some(unsafe extern "C" fn(_: *mut event)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *mut event))

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: