lean2/tests/lean/arith1.lean
Leonardo de Moura 9f08156a73 feat(frontends/lean/parser): combine Echo and Show commands into the 'print' command
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-05 11:03:35 -08:00

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Import Int.
Check 10 + 20
Check 10
Check 10 - 20
Eval 10 - 20
Eval 15 + 10 - 20
Check 15 + 10 - 20
Variable x : Int
Variable n : Nat
Variable m : Nat
print n + m
print n + x + m
SetOption lean::pp::coercion true
print n + x + m + 10
print x + n + m + 10
print n + m + 10 + x
SetOption lean::pp::notation false
print n + m + 10 + x