fix(coordinates): consistent leading-zero handling, safe intersection, type coercion#104
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fix(coordinates): consistent leading-zero handling, safe intersection, type coercion#104HCookie wants to merge 1 commit into
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…, type coercion - Fix leading-zero detection to be consistent across multi-value strings (e.g. '0600/1200' stays as strings, not parsed as integers) - Implement Mixed coordinates to_string() (was todo!()) - Fix intersect() to return Empty instead of panicking on cross-type or empty operands - Add type coercion between Strings and Integers when extending coordinates (avoids spurious Mixed variants when merging '1' with 1) - Add helper functions wrap_ints/wrap_strs to return Empty for zero-length results - Add comprehensive unit tests for intersection edge cases
This was referenced Jun 23, 2026
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Summary
Fixes correctness issues in the coordinate system that caused panics and data corruption during merge operations.
Changes
Leading-zero consistency
0600/1200), if any value has a leading zero, all are kept as strings. Previously each value was checked independently, causing inconsistent typing within a single coordinate set.Mixed coordinates
to_string()Mixedvariant'sto_string()method (wastodo!()).Safe intersection
intersect()now returnsEmptyinstead of panicking on cross-type or empty operands.wrap_ints/wrap_strshelpers to returnEmptyfor zero-length intersection results.Type coercion on extend
StringswithIntegers(or vice versa), attempts coercion before falling back toMixed. This avoids spuriousMixedvariants when merging e.g."1"with1.Tests
Part of the split from #102.