pub type FLAC__StreamEncoderMetadataCallback = Option<unsafe extern "C" fn(encoder: *const FLAC__StreamEncoder, metadata: *const FLAC__StreamMetadata, client_data: *mut c_void)>;Aliased Type§
pub enum FLAC__StreamEncoderMetadataCallback {
None,
Some(unsafe extern "C" fn(*const FLAC__StreamEncoder, *const FLAC__StreamMetadata, *mut c_void)),
}Variants§
None
No value.
Some(unsafe extern "C" fn(*const FLAC__StreamEncoder, *const FLAC__StreamMetadata, *mut c_void))
Some value of type T.