message: Make filter.rs check_* functions to private
diff: @@ -83,7 +83,7 @@ impl<'a, T: 'static + Debug> BlendedFilter<'a, T> {
  }
  }
  -pub fn check_expr<'a, T: 'static + Debug>(
  +fn check_expr<'a, T: 'static + Debug>(
  storage: &'a dyn Store<T>,
  filter_context: &'a FilterContext<'a>,
  expr: &'a Expr,
  @@ -154,7 +154,7 @@ pub fn check_expr<'a, T: 'static + Debug>(
  }
  }
  -pub fn check_blended_expr<T: 'static + Debug>(
  +fn check_blended_expr<T: 'static + Debug>(
  storage: &dyn Store<T>,
  filter_context: Option<&FilterContext<'_>>,
  blend_context: &BlendContext<'_, T>,
  