code: def test_multiple_results_rust():
      # Here the output order is the input order
      expr1 = (x + y) * z
      expr2 = (x - y) * z
      name_expr = ("test", [expr1, expr2])
      (result,) = codegen(name_expr, "Rust", header=False, empty=False)
      source = result[1]
      expected = (
          "fn test(x: f64, y: f64, z: f64) -> (f64, f64) {\n"
          "    let out1 = z*(x + y);\n"
          "    let out2 = z*(x - y);\n"
          "    (out1, out2)\n"
          "}\n"
      )
      assert source == expected
  
imports: from io import StringIO
  from sympy.core import S, symbols, pi, Catalan, EulerGamma, Function
  from sympy.core.relational import Equality
  from sympy.functions.elementary.piecewise import Piecewise
  from sympy.utilities.codegen import RustCodeGen, codegen, make_routine
  from sympy.testing.pytest import XFAIL
  import sympy
label_desc: Use image node_id 8 for calling a global function with example usage: test_multiple_results_rust() without return types