feat: add xiter sub-packages and update project direction - Add xiter/io: lazy I/O (Lines, ReadDir, ReadFileByChunk) - Add xiter/stream: concurrent processing (ParallelMap, FanIn, Batch) - Add xiter/rt: time-based sequences (Ticker, Throttle, Debounce) - Add xiter/collect: grouping and windowing (GroupBy, SortedGroupBy, Window) - Add xiter/combin: combinatorial generators (Combinations, Permutations, Product) - Update README with project philosophy: lazy Seq as core direction

[dashjay]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 94.36275% with 23 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.46%. Comparing base (a6d3af5) to head (32ee112).

Files with missing lines	Patch %	Lines
xiter/rt/rt.go	85.96%	8 Missing ⚠️
xiter/collect/collect.go	89.47%	2 Missing and 2 partials ⚠️
xiter/stream/stream.go	94.28%	3 Missing and 1 partial ⚠️
xiter/xiter.go	93.10%	2 Missing and 2 partials ⚠️
xiter/combin/combin.go	97.64%	1 Missing and 1 partial ⚠️
xstl/lockedmap/locked_map.go	98.57%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #18      +/-   ##
==========================================
- Coverage   98.38%   97.46%   -0.93%     
==========================================
  Files          15       21       +6     
  Lines        1366     1774     +408     
==========================================
+ Hits         1344     1729     +385     
- Misses         12       29      +17     
- Partials       10       16       +6     

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