fn extrinsic_index(&self) -> Option<u32> {
		match self.changes_trie_config.is_some() {
			true => Some(
				self.storage(EXTRINSIC_INDEX)
					.and_then(|idx| idx.and_then(|idx| Decode::decode(&mut &*idx)))
					.unwrap_or(NO_EXTRINSIC_INDEX)),
			false => None,
		}
	}
/// Returns current extrinsic index to use in changes trie construction.
/// None is returned if it is not set or changes trie config is not set.
/// Persistent value (from the backend) can be ignored because runtime must
/// set this index before first and unset after last extrinsic is executied.
/// Changes that are made outside of extrinsics, are marked with
/// `NO_EXTRINSIC_INDEX` index.
Returns current extrinsic index to use in changes trie construction.
None is returned if it is not set or changes trie config is not set.
Persistent value (from the backend) can be ignored because runtime must
set this index before first and unset after last extrinsic is executied.
Changes that are made outside of extrinsics, are marked with
`NO_EXTRINSIC_INDEX` index.
Returns current extrinsic index to use in changes trie construction . None is returned if it is not set or changes trie config is not set . Persistent value ( from the backend ) can be ignored because runtime must set this index before first and unset after last extrinsic is executied . Changes that are made outside of extrinsics are marked with ` NO_EXTRINSIC_INDEX ` index .
fn extrinsic_index(&self) -> Option<u32> {
		match self.changes_trie_config.is_some() {
			true => Some(
				self.storage(EXTRINSIC_INDEX)
					.and_then(|idx| idx.and_then(|idx| Decode::decode(&mut &*idx)))
					.unwrap_or(NO_EXTRINSIC_INDEX)),
			false => None,
		}
	}
fn extrinsic_index ( & self ) -> Option < u32 > { match self . changes_trie_config . is_some ( ) { true => Some ( self . storage ( EXTRINSIC_INDEX ) . and_then ( | idx | idx . and_then ( | idx | Decode :: decode ( & mut & * idx ) ) ) . unwrap_or ( NO_EXTRINSIC_INDEX ) ) , false => None , } }
Returns current extrinsic index to use in changes trie construction.
Returns current extrinsic index to use in changes trie construction .
&self
&self