Method add

xarray/backends/common.py:399–407

(self, source, target, region=None)

        self.lock = lock

    def add(self, source, target, region=None):
        if is_chunked_array(source):
            self.sources.append(source)
            self.targets.append(target)
            self.regions.append(region)
        elif region:
            target[region] = source
        else:
            target[...] = source

    def sync(self, compute=True, chunkmanager_store_kwargs=None):
        if self.sources: