message: FAPL: unwrap value in mdc_config()
diff: @@ -1626,8 +1626,8 @@ impl FileAccess {
  h5call!(H5Pget_mdc_config(self.id(), &mut config)).map(|_| config.into())
  }
  - pub fn mdc_config(&self) -> Option<MetadataCacheConfig> {
  - self.get_mdc_config().ok()
  + pub fn mdc_config(&self) -> MetadataCacheConfig {
  + self.get_mdc_config().ok().unwrap_or_else(MetadataCacheConfig::default)
  }
  #[cfg(hdf5_1_10_1)]
  