Immutable.js

Immutable collections for JavaScript Immutable data cannot be changed once created, leading to much simpler application development, no defensive copying, and enabling advanced memoization and change detection techniques with simple logic. Persistent data presents a mutative API which does not update the data in-place, but instead always yields new updated data. Immutable.js provides many Persiste

[iR3]

immutable.jsを乗り越えないといけないのね #sendagayarb