diff options
author | Nadrieril | 2019-11-11 18:00:57 +0000 |
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committer | Nadrieril | 2019-11-11 18:00:57 +0000 |
commit | ada19118f894fbd71642ea683d9376cbbd756f7d (patch) | |
tree | 45e210c786d386182ba19d33dfe548522dbf5216 /dhall/src/error/text/MustMergeARecord.txt | |
parent | 1ea6fe55eea2f1448f897e2a2805f7e0a1daac9b (diff) |
Remove unused error texts
Those were copied from dhall-haskell back before I (Nadrieril) forked
dhall-rust from Nanotech. They have never been used.
Diffstat (limited to '')
-rw-r--r-- | dhall/src/error/text/MustMergeARecord.txt | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/dhall/src/error/text/MustMergeARecord.txt b/dhall/src/error/text/MustMergeARecord.txt deleted file mode 100644 index 79094bd..0000000 --- a/dhall/src/error/text/MustMergeARecord.txt +++ /dev/null @@ -1,43 +0,0 @@ -Explanation: You can ❰merge❱ the alternatives of a union using a record with one -handler per alternative, like this: - - - ┌─────────────────────────────────────────────────────────────────────┐ - │ let union = < Left = +2 | Right : Bool > │ - │ in let handlers = { Left = Natural/even, Right = λ(x : Bool) → x } │ - │ in merge handlers union : Bool │ - └─────────────────────────────────────────────────────────────────────┘ - - -... but the first argument to ❰merge❱ must be a record and not some other type. - -For example, the following expression is $_NOT valid: - - - ┌─────────────────────────────────────────┐ - │ let handler = λ(x : Bool) → x │ - │ in merge handler < Foo = True > : True │ - └─────────────────────────────────────────┘ - ⇧ - Invalid: ❰handler❱ isn't a record - - -You provided the following handler: - -↳ $txt0 - -... which is not a record, but is actually a value of type: - -↳ $txt1 - -Some common reasons why you might get this error: - -● You accidentally provide an empty record type instead of an empty record when - you ❰merge❱ an empty union: - - - ┌──────────────────────────────────────────┐ - │ λ(x : <>) → λ(a : Type) → merge {} x : a │ - └──────────────────────────────────────────┘ - ⇧ - This should be ❰{=}❱ instead |