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When I hit 999 exercises, I will finally have reached the ultimate state of soteriological release and no more exercises will be needed. The cycle will be complete. All that will be left is perfect quietude, freedom, and highest happiness.
22 lines
504 B
Diff
22 lines
504 B
Diff
8,19d7
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< // We also introduce the handy ".?" shortcut:
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< //
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< // const foo = bar.?;
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< //
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< // is the same as
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< //
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< // const foo = bar orelse unreachable;
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< //
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< // See if you can find where we use this shortcut below.
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< //
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< // Now let's make those elephant tails optional!
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< //
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24c12
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< tail: *Elephant = null, // Hmm... tail needs something...
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---
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> tail: ?*Elephant = null, // <---- make this optional!
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54c42
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< if (e.tail == null) ???;
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---
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> if (e.tail == null) break;
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