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

---
 dhall/src/errors/Untyped.txt | 117 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 dhall/src/errors/Untyped.txt

(limited to 'dhall/src/errors/Untyped.txt')

diff --git a/dhall/src/errors/Untyped.txt b/dhall/src/errors/Untyped.txt
new file mode 100644
index 0000000..4904bf8
--- /dev/null
+++ b/dhall/src/errors/Untyped.txt
@@ -0,0 +1,117 @@
+Explanation: Every function declares what type or kind of argument to accept
+
+For example:
+
+
+    ┌───────────────────────────────┐
+    │ λ(x : Bool) → x : Bool → Bool │  This anonymous function only accepts
+    └───────────────────────────────┘  arguments that have type ❰Bool❱
+                        ⇧
+                        The function's input type
+
+
+    ┌───────────────────────────────┐
+    │ Natural/even : Natural → Bool │  This built-in function only accepts
+    └───────────────────────────────┘  arguments that have type ❰Natural❱
+                     ⇧
+                     The function's input type
+
+
+    ┌───────────────────────────────┐
+    │ λ(a : Type) → a : Type → Type │  This anonymous function only accepts
+    └───────────────────────────────┘  arguments that have kind ❰Type❱
+                        ⇧
+                        The function's input kind
+
+
+    ┌────────────────────┐
+    │ List : Type → Type │  This built-in function only accepts arguments that
+    └────────────────────┘  have kind ❰Type❱
+             ⇧
+             The function's input kind
+
+
+For example, the following expressions are valid:
+
+
+    ┌────────────────────────┐
+    │ (λ(x : Bool) → x) True │  ❰True❱ has type ❰Bool❱, which matches the type
+    └────────────────────────┘  of argument that the anonymous function accepts
+
+
+    ┌─────────────────┐
+    │ Natural/even +2 │  ❰+2❱ has type ❰Natural❱, which matches the type of
+    └─────────────────┘  argument that the ❰Natural/even❱ function accepts,
+
+
+    ┌────────────────────────┐
+    │ (λ(a : Type) → a) Bool │  ❰Bool❱ has kind ❰Type❱, which matches the kind
+    └────────────────────────┘  of argument that the anonymous function accepts
+
+
+    ┌───────────┐
+    │ List Text │  ❰Text❱ has kind ❰Type❱, which matches the kind of argument
+    └───────────┘  that that the ❰List❱ function accepts
+
+
+However, you can $_NOT apply a function to the wrong type or kind of argument
+
+For example, the following expressions are not valid:
+
+
+    ┌───────────────────────┐
+    │ (λ(x : Bool) → x) "A" │  ❰"A"❱ has type ❰Text❱, but the anonymous function
+    └───────────────────────┘  expects an argument that has type ❰Bool❱
+
+
+    ┌──────────────────┐
+    │ Natural/even "A" │  ❰"A"❱ has type ❰Text❱, but the ❰Natural/even❱ function
+    └──────────────────┘  expects an argument that has type ❰Natural❱
+
+
+    ┌────────────────────────┐
+    │ (λ(a : Type) → a) True │  ❰True❱ has type ❰Bool❱, but the anonymous
+    └────────────────────────┘  function expects an argument of kind ❰Type❱
+
+
+    ┌────────┐
+    │ List 1 │  ❰1❱ has type ❰Integer❱, but the ❰List❱ function expects an
+    └────────┘  argument that has kind ❰Type❱
+
+
+You tried to invoke the following function:
+
+↳ $txt0
+
+... which expects an argument of type or kind:
+
+↳ $txt1
+
+... on the following argument:
+
+↳ $txt2
+
+... which has a different type or kind:
+
+↳ $txt3
+
+Some common reasons why you might get this error:
+
+● You omit a function argument by mistake:
+
+
+    ┌────────────────────────────────────────┐
+    │ List/head   ([1, 2, 3] : List Integer) │
+    └────────────────────────────────────────┘
+                ⇧
+                ❰List/head❱ is missing the first argument,
+                which should be: ❰Integer❱
+
+
+● You supply an ❰Integer❱ literal to a function that expects a ❰Natural❱
+
+    ┌────────────────┐
+    │ Natural/even 2 │
+    └────────────────┘
+                   ⇧
+                   This should be ❰+2❱
-- 
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