lowerCase UpperCase

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1

Is it correct to assume that:

  • UpperCase is used for
  • types for example type Model
  • lowerCase is used for
  • type variables for example List a
  • functions for exampl add =

Is this mandatory or convention?
Is the above list complete?

2

It is mandatory, the compiler will tell you if you make some mistake.

There is one small exeption that is not included in your list: Record Constructors start with an uppercase (though they are functions):

type alias MyRecord =
  { name : String
  , age : Int
  }

user : String -> Int -> MyRecord
user name age =
    MyRecord name age
3

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