pub type PersonalBestCallback = Option<unsafe extern "C" fn(score: *mut PDScore, errorMessage: *const c_char)>;Aliased Type§
enum PersonalBestCallback {
None,
Some(unsafe extern "C" fn(_: *mut PDScore, _: *const u8)),
}Variants§
None
No value.
Some(unsafe extern "C" fn(_: *mut PDScore, _: *const u8))
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 bytesSome: 4 bytes