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author | Nadrieril | 2019-03-01 17:28:19 +0100 |
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committer | Nadrieril | 2019-03-01 17:28:19 +0100 |
commit | e5d9aee00b0c775df1d8e2d8819aeb80dffa73c2 (patch) | |
tree | e763a24a0d635048232e72e167ca37eafec69369 /dhall/src/errors/MissingField.txt | |
parent | 8a2b7536902831079eddd7b00291b718f5dd7186 (diff) |
Split abnf_to_pest and dhall into their own crates
Diffstat (limited to 'dhall/src/errors/MissingField.txt')
-rw-r--r-- | dhall/src/errors/MissingField.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/dhall/src/errors/MissingField.txt b/dhall/src/errors/MissingField.txt new file mode 100644 index 0000000..de14a33 --- /dev/null +++ b/dhall/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 |