Immutability, part 2: Creating a simple immutable stack - SLaks.Blog

Immutability, part 2: Creating a simple immutable stack – SLaks.Blog

Immutability, part 2: Creating a simple immutable stack

Posted on Sunday, June 23, 2013

Last time, I explained the basic meaning of immutability. The simplest useful example of an immutable class is an immutable stack. Immutable stacks work just like regular stacks – with Push(), Pop(), and Peek() methods – except that instead of mutating the original instance, Push() and Pop() return a new, modified, instance.

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