Method nested_function

test/null/test_viz.py:162–163

(u:UOp)

    with save_viz() as viz:
      @profile_matches
      def nested_function(u:UOp):
        for i in range(2): graph_rewrite(u, PatternMatcher([]), name=f"step {i+1}")

      @track_rewrites()
      def main_rewrite(u:UOp):