!YS-v0

tests =: |
  -9223372036854775807.-- * -1
  5000000000000000000 + 5000000000000000000
  -9223372036854775807 - 9223372036854775807
  3037000500 * 3037000500

each test tests:lines:
  say: test
  try:
    eval: test
    catch e:
      say: "$e\n"