code: def test_join_asof_projection_7481() -> None:
      ldf1 = (
          pl.DataFrame({"a": [1, 2, 2], "b": "bleft"})
          .lazy()
          .set_sorted("a")
      )
      ldf2 = (
          pl.DataFrame({"a": 2, "b": [1, 2, 2]}).lazy().set_sorted("b")
      )
  
      assert (
          ldf1.join_asof(ldf2, left_on="a", right_on="b").select(
              "a", "b"
          )
      ).collect().to_dict(as_series=False) == {
          "a": [1, 2, 2],
          "b": ["bleft", "bleft", "bleft"],
      }
  
imports: from datetime import date, datetime, timedelta
  from typing import Any
  import numpy
  import pytest
  import polars
  from polars.testing import assert_frame_equal
label_desc: Use image node_id 12 for calling a global function with example usage: test_join_asof_projection_7481() without return types