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doc: small grammar fix

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Alfie John 2014-11-15 23:17:36 +00:00
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commit c5232615b6
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src/doc/complement-design-faq.md
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@ -95,7 +95,7 @@ code should need to run is a stack.
`match` being exhaustive has some useful properties. First, if every
possibility is covered by the `match`, adding further variants to the `enum`
in the future will prompt a compilation failure, rather than runtime panic.
Second, it makes cost explicit. In general, only safe way to have a
Second, it makes cost explicit. In general, the only safe way to have a
non-exhaustive match would be to panic the task if nothing is matched, though
it could fall through if the type of the `match` expression is `()`. This sort
of hidden cost and special casing is against the language's philosophy. It's