error: type error
- testdata/err/call_on_non_function.tn:1:17
1 | main = || i32 { 1i32(2i32) };
  |                 ^^^^^^^^^^
- testdata/err/call_on_non_function.tn:1:17
1 | main = || i32 { 1i32(2i32) };
  |                 ^^^^ expected |:something|:something but got i32
