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-rw-r--r--registry/conventions.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/registry/conventions.py b/registry/conventions.py
index d95f102..2df9304 100644
--- a/registry/conventions.py
+++ b/registry/conventions.py
@@ -350,3 +350,12 @@ class ConventionsBase:
Must implement."""
raise NotImplementedError
+
+ def valid_flag_bit(self, bitpos):
+ """Return True if bitpos is an allowed numeric bit position for
+ an API flag.
+
+ Behavior depends on the data type used for flags (which may be 32
+ or 64 bits), and may depend on assumptions about compiler
+ handling of sign bits in enumerated types, as well."""
+ return True