main is not found
tooltips:
testdata/let.lc 2:1-2:2  {a} -> a->a
testdata/let.lc 2:15-2:17  {a} -> a->a
testdata/let.lc 2:15-2:19  V1
testdata/let.lc 2:18-2:19  V2
testdata/let.lc 2:23-2:24  V2