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/ Exceptions examples /
∇ SHOW .S CR CLEAR ∇ / Print then clear stack /
1 2 ⊂ + ⊃ ⍎ / Just runs + / SHOW
1 2 ⊂ + 0 THROW ⊃ CATCH / Runs +, no exception thrown → 0 pushed to stack / SHOW
1 2 ⊂ + ABORT ⊃ CATCH / Exception -1 thrown → Stack rewound, -1 pushed to stack / SHOW
1 2 ⊂ + ABORT ⊃ ⍎ / Uncaught exception /
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