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HashMap: allow valueIterable to be iterated more than once #27

Merged
merged 1 commit into from
Jan 22, 2019
Merged

HashMap: allow valueIterable to be iterated more than once #27

merged 1 commit into from
Jan 22, 2019

Commits on Jan 21, 2019

  1. HashMap: allow valueIterable to be iterated more than once 

    Iterators are stateful and can't be reused.  Therefore, the iterator protocol
makes Iterable's contain a zero-argument function which creates a new iterator,
and re-calls this zero-argument function to create a new iterator every time
an iteration starts.

hamt.values() returns an iterator which is stateful, so it must be wrapped in
a zero-argument function to become an Iterable<T>.
    @wuzzeb
    wuzzeb committed Jan 21, 2019
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