diff options
| -rw-r--r-- | mdpoly/abc.py | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/mdpoly/abc.py b/mdpoly/abc.py index c291fdc..6ec1712 100644 --- a/mdpoly/abc.py +++ b/mdpoly/abc.py @@ -14,18 +14,7 @@ class Leaf(Protocol): name: str shape: Shape - def children(self) -> tuple: - """ Return an empty tuple. This is here to simplify recursive code on - expressions. """ - return tuple() - def __iter__(self): - """ Return an empty iterator. This is here to simplify recursive code - on expressions. """ - yield from iter(self.children()) - - -@runtime_checkable class Expr(Protocol): """ Binary tree to represent a mathematical expression. """ left: Self | Leaf @@ -105,7 +94,6 @@ class Expr(Protocol): yield from self.children() -@runtime_checkable class Rel(Protocol): """ Relation between two expressions. """ lhs: Expr |