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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/MissingField.txt | |
parent | efd52ef33c15316dbd39390d55022708488a53b8 (diff) |
Start implementing error explanations
Diffstat (limited to '')
-rw-r--r-- | src/errors/MissingField.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/errors/MissingField.txt b/src/errors/MissingField.txt new file mode 100644 index 0000000..de14a33 --- /dev/null +++ b/src/errors/MissingField.txt @@ -0,0 +1,30 @@ +Explanation: You can only access fields on records, like this: + + + ┌─────────────────────────────────┐ + │ { foo = True, bar = "ABC" }.foo │ This is valid ... + └─────────────────────────────────┘ + + + ┌───────────────────────────────────────────┐ + │ λ(r : { foo : Bool, bar : Text }) → r.foo │ ... and so is this + └───────────────────────────────────────────┘ + + +... but you can only access fields if they are present + +For example, the following expression is $_NOT valid: + + ┌─────────────────────────────────┐ + │ { foo = True, bar = "ABC" }.qux │ + └─────────────────────────────────┘ + ⇧ + Invalid: the record has no ❰qux❱ field + +You tried to access a field named: + +↳ $txt0 + +... but the field is missing because the record only defines the following fields: + +↳ $txt1 |