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authorTim Neumann <mail@timnn.me>2018-03-26 15:15:01 +0200
committerGitHub <noreply@github.com>2018-03-26 15:15:01 +0200
commit1233aa29de2d6f5e293f84b38ba2b02cfaf1fa0e (patch)
tree86e9a6450971d12a82eb18ead0b5036d6ffda0a8 /src/libsyntax
parentd601e74675b5e92b2050c1f4454138a69e620f54 (diff)
parentf198b0acf512458bdbe5079d12414ff94b03f7ac (diff)
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Rollup merge of #49353 - chisophugis:patch-1, r=Mark-Simulacrum
Fix confusing doc for `scan`

The comment "the value passed on to the next iteration" confused me since it sounded more like what Haskell's [scanl](http://hackage.haskell.org/package/base-4.11.0.0/docs/Prelude.html#v:scanl) does where the closure's return value serves as both the "yielded value" *and* the new value of the "state".

I tried changing the example to make it clear that the closure's return value is decoupled from the state argument.
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