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Fix deprecated Iterator usage and update .gitignore #222

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peter-jerry-ye wants to merge 3 commits into from
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Fix deprecated Iterator usage and update .gitignore #222

peter-jerry-ye wants to merge 3 commits into from

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@peter-jerry-ye peter-jerry-ye commented Jan 6, 2026

Summary

  • Replaced deprecated Iter/Iter2 usages with Iterator/Iterator2 across crypto, stack, time, and decimal modules
  • Updated generated .mbti interfaces to match the new iterator signatures
  • Added target and _build entries to .gitignore

Why

  • Resolve deprecated warnings and errors from the recent iterator API changes
  • Prepare the repository for upcoming build artifact directories

Notable implementation details

  • Iterator constructors now use Iterator::new/Iterator2::new with stateful callbacks that return Some(elem)/None
  • Where legacy functions exist, the new iterator2 pattern is followed to preserve compatibility while forwarding to the updated iterator types

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