exercism/elixir/boutique-suggestions/HINTS.md

Hints

General

• Read about comprehensions in the Getting Started guide.
• Read about lists in the Getting Started guide.
• Read about maps in the Getting Started guide.
• Read about keyword Lists in the Getting Started guide.

1. Suggest a combination

• In the list comprehension, use two generators to create the cartesian product.

2. Filter out clashing outfits

• You can use pattern matching to deconstruct in the generator to bind the fields to a variable.
• Use a filter expression to return false when the base colors match.

3. Filter by combination price

• There a number of keyword list functions available to use to retrieve options from a keyword list.
• Use a filter expression to return false when the combined price is greater than the maximum price.