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Removed bad import from docs #8117

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Removed bad import from docs #8117

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use std::num::atan no longer works as atan has been redefined as a member of Trigonometric.

@kbsletten
Removed bad import from docs
b9c79f3 
`use std::num::atan` no longer works as `atan` has been redefined as a member of `Trigonometric`.
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bluss commented Jul 30, 2013

std::num::atan is present in num.rs, in fact these wrapper functions are much easier to use.

#[inline(always)] pub fn atan<T: Trigonometric>(value: T) -> T { value.atan() }

@kbsletten kbsletten closed this Jul 30, 2013
flip1995 pushed a commit to flip1995/rust that referenced this pull request Dec 30, 2021
@bors
Auto merge of rust-lang#8117 - hotate29:issue7320, r=camsteffen
c1cd64b 
update: ```Sugg::not()``` replacing the comparison operator. rust-lang#7320

fixes rust-lang#7320

changelog: ```needless_bool```: Changed to make a smart suggestion.
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@kbsletten @bluss