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author | NanoTech | 2016-12-11 23:27:36 -0600 |
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committer | NanoTech | 2017-03-10 23:48:29 -0600 |
commit | 5c00b978b0bc0c1eeb64682cba6aa338fea320bf (patch) | |
tree | d9935794062180474b5bd6a51ab1d5f4bd864a4e /src/errors/InvalidListType.txt | |
parent | efd52ef33c15316dbd39390d55022708488a53b8 (diff) |
Start implementing error explanations
Diffstat (limited to 'src/errors/InvalidListType.txt')
-rw-r--r-- | src/errors/InvalidListType.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/errors/InvalidListType.txt b/src/errors/InvalidListType.txt new file mode 100644 index 0000000..676647e --- /dev/null +++ b/src/errors/InvalidListType.txt @@ -0,0 +1,43 @@ +Explanation: Every ❰List❱ documents the type of its elements with a type +annotation, like this: + + + ┌──────────────────────────┐ + │ [1, 2, 3] : List Integer │ A ❰List❱ of three ❰Integer❱s + └──────────────────────────┘ + ⇧ + The type of the ❰List❱'s elements, which are ❰Integer❱s + + + ┌───────────────────┐ + │ [] : List Integer │ An empty ❰List❱ + └───────────────────┘ + ⇧ + You still specify the type even when the ❰List❱ is empty + + +The element type must be a type and not something else. For example, the +following element types are $_NOT valid: + + + ┌──────────────┐ + │ ... : List 1 │ + └──────────────┘ + ⇧ + This is an ❰Integer❱ and not a ❰Type❱ + + + ┌─────────────────┐ + │ ... : List Type │ + └─────────────────┘ + ⇧ + This is a ❰Kind❱ and not a ❰Type❱ + + +Even if the ❰List❱ is empty you still must specify a valid type + +You declared that the ❰List❱'s elements should have type: + +↳ $txt0 + +... which is not a ❰Type❱ |