def merge()

in src/chug/common/config.py [0:0]


    def merge(self, right, inplace=False):
        # merge from right to left for right fields that are not None
        changes = {f.name: v for f in fields(self) if (v := getattr(right, f.name)) is not None}
        if inplace:
            for k, v in changes.items():
                setattr(self, k, v)
            return self
        else:
            return replace(self, **changes)