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Document NumCast / ToPrimitive's sucess vs error rules #177

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Document NumCast / ToPrimitive's sucess vs error rules#177

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@bluss
bluss
opened on Mar 7, 2016

The traits NumCast and ToPrimitive use Option<T> return values, they need to document when and why they can return None.

Activity

  1. remexre
    added a commit that references this issue on Jun 1, 2017

    Allow integers to be used as map keys (rust-num#177)

    c0b594c

  2. cuviper commented on Dec 19, 2017

    @cuviper
    cuviper
    on Dec 19, 2017
    Member

    This issue was moved to rust-num/num-traits#9

  3. cuviper
    closed this as completedon Dec 19, 2017
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