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Rollup merge of #30439 - swooster:swooster-nomicon-patch-1, r=steveklabnik

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The Rustonomicon's Lifetimes chapter uses the idiom "big ask", which is obscure compared to "tall order" (check [Google ngrams](https://books.google.com/ngrams/graph?content=big+ask%2C+tall+order&year_start=1800)). Also, it's easily mistaken for a typo; either "a big task" or "a big thing to ask" could plausibly work there.

r? @steveklabnik
This commit is contained in:
Steve Klabnik 2015-12-17 14:47:14 -05:00
parent 6565bc2fd4 fc862182c9
commit 8cd237427c
1 changed files with 2 additions and 2 deletions
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4
src/doc/nomicon/lifetimes.md
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@ -107,8 +107,8 @@ This signature of `as_str` takes a reference to a u32 with *some* lifetime, and
promises that it can produce a reference to a str that can live *just as long*.
Already we can see why this signature might be trouble. That basically implies
that we're going to find a str somewhere in the scope the reference
to the u32 originated in, or somewhere *even earlier*. That's a bit of a big
ask.
to the u32 originated in, or somewhere *even earlier*. That's a bit of a tall
order.
We then proceed to compute the string `s`, and return a reference to it. Since
the contract of our function says the reference must outlive `'a`, that's the