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t4047.scala:23: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses
a.foo
^
t4047.scala:24: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses
a.foo
^
t4047.scala:26: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses
b.foo
^
t4047.scala:27: warning: a pure expression does nothing in statement position; you may be omitting necessary parentheses
b.foo
^
Unit: called A.foo
Unit: called B.foo
Unit: called C.foo
Unit: called D.foo
Unit: called D.foo
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