diff options
author | Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 16:53:30 +0100 |
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committer | Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 16:53:30 +0100 |
commit | a4c7f8bd98be2a200489325ff7c5061cf80ab4f3 (patch) | |
tree | 26dd9c4aa142597ee09c887ef161d5f0fa5077b6 /test-suite/bugs/closed/4733.v | |
parent | 164c6861860e6b52818c031f901ffeff91fca16a (diff) |
Imported Upstream version 8.6upstream/8.6
Diffstat (limited to 'test-suite/bugs/closed/4733.v')
-rw-r--r-- | test-suite/bugs/closed/4733.v | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/4733.v b/test-suite/bugs/closed/4733.v new file mode 100644 index 00000000..a6ebda61 --- /dev/null +++ b/test-suite/bugs/closed/4733.v @@ -0,0 +1,52 @@ +(* -*- coq-prog-args: ("-emacs" "-compat" "8.4") -*- *) +(*Suppose a user wants to declare a new list-like notation with support for singletons in both 8.4 and 8.5. If they use*) +Require Import Coq.Lists.List. +Require Import Coq.Vectors.Vector. +Import ListNotations. +Import VectorNotations. +Set Implicit Arguments. +Inductive mylist T := mynil | mycons (_ : T) (_ : mylist T). +Arguments mynil {_}, _. + +Delimit Scope mylist_scope with mylist. +Bind Scope mylist_scope with mylist. +Delimit Scope vector_scope with vector. + +Notation " [ ] " := mynil (format "[ ]") : mylist_scope. +Notation " [ x ] " := (mycons x mynil) : mylist_scope. +Notation " [ x ; .. ; y ] " := (mycons x .. (mycons y mynil) ..) : mylist_scope. + +(** All of these should work fine in -compat 8.4 mode, just as they do in Coq 8.4. There needs to be a way to specify notations above so that all of these [Check]s go through in both 8.4 and 8.5 *) +Check [ ]%mylist : mylist _. +Check [ ]%list : list _. +Check []%vector : Vector.t _ _. +Check [ _ ]%mylist : mylist _. +Check [ _ ]%list : list _. +Check [ _ ]%vector : Vector.t _ _. +Check [ _ ; _ ]%list : list _. +Check [ _ ; _ ]%vector : Vector.t _ _. +Check [ _ ; _ ]%mylist : mylist _. +Check [ _ ; _ ; _ ]%list : list _. +Check [ _ ; _ ; _ ]%vector : Vector.t _ _. +Check [ _ ; _ ; _ ]%mylist : mylist _. +Check [ _ ; _ ; _ ; _ ]%list : list _. +Check [ _ ; _ ; _ ; _ ]%vector : Vector.t _ _. +Check [ _ ; _ ; _ ; _ ]%mylist : mylist _. + +Notation " [ x ; y ; .. ; z ] " := (mycons x (mycons y .. (mycons z mynil) ..)) : mylist_scope. +(* Now these all work, but not so in 8.4. If we get the ability to remove notations, this section can also just be removed. *) +Check [ ]%mylist : mylist _. +Check [ ]%list : list _. +Check []%vector : Vector.t _ _. +Check [ _ ]%mylist : mylist _. +Check [ _ ]%list : list _. +Check [ _ ]%vector : Vector.t _ _. +Check [ _ ; _ ]%list : list _. +Check [ _ ; _ ]%vector : Vector.t _ _. +Check [ _ ; _ ]%mylist : mylist _. +Check [ _ ; _ ; _ ]%list : list _. +Check [ _ ; _ ; _ ]%vector : Vector.t _ _. +Check [ _ ; _ ; _ ]%mylist : mylist _. +Check [ _ ; _ ; _ ; _ ]%list : list _. +Check [ _ ; _ ; _ ; _ ]%vector : Vector.t _ _. +Check [ _ ; _ ; _ ; _ ]%mylist : mylist _. |