From 60129b7d1c0ea8bdf2ec666fa51957e97465e88f Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Mon, 6 May 2019 23:17:26 +0200 Subject: Consolidate errors in the error module --- dhall/src/errors/FieldCollision.txt | 43 ------------------------------------- 1 file changed, 43 deletions(-) delete mode 100644 dhall/src/errors/FieldCollision.txt (limited to 'dhall/src/errors/FieldCollision.txt') diff --git a/dhall/src/errors/FieldCollision.txt b/dhall/src/errors/FieldCollision.txt deleted file mode 100644 index 2b2d260..0000000 --- a/dhall/src/errors/FieldCollision.txt +++ /dev/null @@ -1,43 +0,0 @@ -Explanation: You can combine records if they don't share any fields in common, -like this: - - - ┌───────────────────────────────────────────┐ - │ { foo = 1, bar = "ABC" } ∧ { baz = True } │ - └───────────────────────────────────────────┘ - - - ┌────────────────────────────────────────┐ - │ λ(r : { baz : Bool}) → { foo = 1 } ∧ r │ - └────────────────────────────────────────┘ - - -... but you cannot merge two records that share the same field - -For example, the following expression is $_NOT valid: - - - ┌───────────────────────────────────────────┐ - │ { foo = 1, bar = "ABC" } ∧ { foo = True } │ Invalid: Colliding ❰foo❱ fields - └───────────────────────────────────────────┘ - - -You combined two records that share the following field: - -↳ $txt0 - -... which is not allowed - -Some common reasons why you might get this error: - -● You tried to use ❰∧❱ to update a field's value, like this: - - - ┌────────────────────────────────────────┐ - │ { foo = 1, bar = "ABC" } ∧ { foo = 2 } │ - └────────────────────────────────────────┘ - ⇧ - Invalid attempt to update ❰foo❱'s value to ❰2❱ - - Field updates are intentionally not allowed as the Dhall language discourages - patch-oriented programming -- cgit v1.2.3