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Change "big ask" to "tall order" in Rustonomicon.

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The Rustonomicon's Lifetimes chapter uses the idiom "big ask", which is obscure compared to "tall order" (check Google ngrams). Also, it's easily mistaken for a typo; either "a big task" or "a big thing to ask" could plausibly work there.
This commit is contained in:
Steve Wooster 2015-12-17 09:40:02 -08:00
parent 4af4278814
commit fc862182c9
1 changed files with 2 additions and 2 deletions
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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