Name literals

b_asic/types.py

+from typing import NewType
+
+# https://stackoverflow.com/questions/69334475/how-to-hint-at-number-types-i-e-subclasses-of-number-not-numbers-themselv
+Num = int | float | complex
+
+
+Name = str
+# # We want to be able to initialize Name with String literals, but still have the
+# # benefit of static type checking that we don't pass non-names to name locations.
+# # However, until python 3.11 a string literal type was not available. In those versions,
+# # we'll fall back on just aliasing `str` => Name.
+# if sys.version_info >= (3, 11):
+#     from typing import LiteralString
+#     Name: TypeAlias = NewType("Name", str) | LiteralString
+# else:
+#     Name = str
+
+TypeName = NewType("TypeName", str)
+GraphID = NewType("GraphID", str)
+GraphIDNumber = NewType("GraphIDNumber", int)