Write Morning Step 5 -- Data Structures

[raorao]

• Starting code: TBD
• Ending code: https://github.com/elmbridge/intro-to-elm-part-1 (final URL TBD)
• Practical Goals: Students should have a passing understanding of the basic Elm data structures.
• Learning Goals: Students should start getting used to seeing compiler errors and reacting to them productively.
• Structure of in-person lesson: This should be mostly self-guided, with an opportunity for some short lectures on specific data structures.
• Structure of written lesson:
  • Recap of Strings
  • lists (reversal, mapping, anonymous functions)
  • records (getting a value, setting a value)
  • tuples (getting the first value, updating a value)
  • case statements
  • html (example of a complex type output)
  • also some extra releases that faster classes can get to:
    • union types
    • maybes
    • complex case statements
    • Dict (as an example of a strange type)

[raorao]

assigning to you @avh4 as you have ideas for the various sections in this step. Please fill in the outline and unassign.

[raorao]

much of this has already been implemented. issues for the remaining parts

• Add tuples to "The Basic Building Blocks of Elm" #25 for tuples
• Add conditional logic/booleans to "The Basic Building Blocks of Elm" #26 for if/else and case statements
• Add maybes/complex pattern matching to "The Basic Building Blocks of Elm" #27 for maybes, union types, and complex case statements

Html is pretty well handled by the afternoon section, so I think we can drop that. The only other one is Dict, which I also think we can ignore — feel free to open an issue if you disagree, though.