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    Immutable.js: Introduction - Easing the Pains of Mutability

    By utilizing immutable data structures, we can write code that is easier to reason about, avoid mutation-related bugs, reduce complexity, and even gain some performance benefits along the way.

    Before diving too far into Facebook's Immutable.js library, let's take a moment to examine some of the pains and obstacles that mutable data structures present.

    We'll take a brief glimpse at putting the Immutable "List" data structure to work by example. We will convert our usage of Javascript's native Array to use Immutable.List in order to address a mutation-related "bug" caused by multiple objects "sharing" a mutable structure (array) by reference.

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