message: Rename sled_storage.rs try3! macro to try_self!
diff: @@ -59,13 +59,11 @@ macro_rules! try_into {
  };
  }
  -macro_rules! try3 {
  +macro_rules! try_self {
  ($self: expr, $expr: expr) => {
  match $expr {
  Err(e) => {
  - let e: Error = e.into();
  -
  - return Err(($self, e));
  + return Err(($self, e.into()));
  }
  Ok(v) => v,
  }
  @@ -165,7 +163,7 @@ impl Store<IVec> for SledStorage {
  impl AlterTable for SledStorage {
  fn rename_schema(self, table_name: &str, new_table_name: &str) -> MutResult<Self, ()> {
  - let (_, Schema { column_defs, .. }) = try3!(self, fetch_schema(&self.tree, table_name));
  + let (_, Schema { column_defs, .. }) = try_self!(self, fetch_schema(&self.tree, table_name));
  let schema = Schema {
  table_name: new_table_name.to_string(),
  @@ -206,7 +204,8 @@ impl AlterTable for SledStorage {
  old_column_name: &str,
  new_column_name: &str,
  ) -> MutResult<Self, ()> {
  - let (key, Schema { column_defs, .. }) = try3!(self, fetch_schema(&self.tree, table_name));
  + let (key, Schema { column_defs, .. }) =
  + try_self!(self, fetch_schema(&self.tree, table_name));
  let i = column_defs
  .iter()
  @@ -249,7 +248,7 @@ impl AlterTable for SledStorage {
  table_name,
  column_defs,
  },
  - ) = try3!(self, fetch_schema(&self.tree, table_name));
  + ) = try_self!(self, fetch_schema(&self.tree, table_name));
  let ColumnDef {
  options, data_type, ..
  @@ -268,8 +267,8 @@ impl AlterTable for SledStorage {
  .next();
  let value = match (default, nullable) {
  - (Some(value), _) => try3!(self, value),
  - (None, true) => try3!(
  + (Some(value), _) => try_self!(self, value),
  + (None, true) => try_self!(
  self,
  Value::from_data_type(&data_type, nullable, &AstValue::Null)
  ),
  