Specter Powerful and Simple Data Structure Manipulation
summary
Specter provides composable navigators that separate navigation from transformation so you can express deep edits like map of vector of maps or set inserts as simple paths. It ships nil-to-set, srange and subset navigators and supports recursive navigation for nested graphs and a generic transfer function for many to many updates. Benchmarks show uncompiled select is slow but precompiling yields ~60ms select and ~50ms compiled transform versus ~1s for update-in and ~150ms for inline manual updates, and the library works as advertised.
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chapters (16)
- 0:00Introduction
- 4:06MapValis
- 10:50Transform MapValis
- 15:50Map of Sets
- 17:16Navigation
- 20:20Is this better
- 20:50Navigating to a substructure
- 24:13Navigation as an abstraction
- 27:57World data structure
- 28:30Navigate to user
- 29:06Demonstration
- 30:21Navigators
- 32:58Subsets
- 34:00Performance
- 35:27Specter vs Closure
- 39:03Recursive Navigation








