This PR introduces the `flatMap` iterator combinator. It also adds lemmas relating `flatMap` to `toList` and `toArray`. |
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|---|---|---|
| .. | ||
| Combinators | ||
| Consumers | ||
| Internal | ||
| Lemmas | ||
| Basic.lean | ||
| Combinators.lean | ||
| Consumers.lean | ||
| Internal.lean | ||
| Lemmas.lean | ||
| PostconditionMonad.lean | ||
| ToIterator.lean | ||