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Immutability

A value that can't be changed after it's made, like a tuple or a string - safe to share, because nothing that holds it can alter it.

Depth 1 · Foundation

You know which values can change in place (lists) and which can't (numbers, strings, tuples), can tell moving a name from changing an object, and can use tuples to return and unpack several values.

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Depths of understanding

  1. 1

    Foundation

    You know which values can change in place (lists) and which can't (numbers, strings, tuples), can tell moving a name from changing an object, and can use tuples to return and unpack several values.

    Opens after

    ListsImmutability is the difference from lists, values that change in place, so you need to have met lists and their surprises first.

Your path here

What's still between you and Immutability, depth 1, in the order you can learn it.

  1. 1ProgramDepth 1 · Foundation · Program Basics
  2. 2ExpressionDepth 1 · Foundation · Program Basics
  3. 3Variables in codeDepth 1 · Foundation · Program Basics
  4. 4Program stateDepth 1 · Foundation · Program Basics
  5. 5Input and outputDepth 1 · Foundation · Program Basics
  6. 6Functions in codeDepth 1 · Foundation · Functions
  7. 7Return valuesDepth 1 · Foundation · Functions
  8. 8BooleansDepth 1 · Foundation · Control Flow
  9. 9ConditionalsDepth 1 · Foundation · Control Flow
  10. 10LoopsDepth 1 · Foundation · Control Flow
  11. 11Accumulator patternDepth 1 · Foundation · Control Flow
  12. 12Floating-point numbersDepth 1 · Foundation · Data Types
  13. 13Basic typesDepth 1 · Foundation · Data Types
  14. 14Character encodingDepth 1 · Foundation · Data Types
  15. 15StringsDepth 1 · Foundation · Data Types
  16. 16ListsDepth 1 · Foundation · Data Structures
  17. 17ImmutabilityDepth 1 · Foundation · Data Structures

Where it fits

Builds on

Lists

This concept

ImmutabilityData Structures