From e5d9aee00b0c775df1d8e2d8819aeb80dffa73c2 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Fri, 1 Mar 2019 17:28:19 +0100 Subject: Split abnf_to_pest and dhall into their own crates --- src/errors/UnusedHandler.txt | 32 -------------------------------- 1 file changed, 32 deletions(-) delete mode 100644 src/errors/UnusedHandler.txt (limited to 'src/errors/UnusedHandler.txt') diff --git a/src/errors/UnusedHandler.txt b/src/errors/UnusedHandler.txt deleted file mode 100644 index 2e46a12..0000000 --- a/src/errors/UnusedHandler.txt +++ /dev/null @@ -1,32 +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 you must provide exactly one handler per alternative in the union. You -cannot supply extra handlers - -For example, the following expression is $_NOT valid: - - - ┌───────────────────────────────────────┐ - │ let union = < Left = +2 > │ The ❰Right❱ alternative is missing - │ in let handlers = │ - │ { Left = Natural/even │ - │ , Right = λ(x : Bool) → x │ Invalid: ❰Right❱ handler isn't used - │ } │ - │ in merge handlers union : Bool │ - └───────────────────────────────────────┘ - - -You provided the following handlers: - -↳ $txt0 - -... which had no matching alternatives in the union you tried to ❰merge❱ -- cgit v1.2.3