Simplest Demo on modules

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@5014 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 55 insertions, 0 deletions

diff --git a/test-suite/modules/Demo.v b/test-suite/modules/Demo.v
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+Module M.
+  Definition t:=nat.
+  Definition x:=O.
+End M.
+
+Print M.t.
+
+
+Module Type SIG.
+  Parameter t:Set.
+  Parameter x:t.
+End SIG.
+
+
+Module F[X:SIG].
+  Definition t:=X.t->X.t.
+  Definition x:t.
+    Intro.
+    Exact X.x.
+  Defined.
+  Definition y:=X.x.
+End F.
+
+
+Module N := F M.
+
+Print N.t.
+Eval Compute in N.t.
+
+
+Module N' : SIG := N.
+
+Print N'.t.
+Eval Compute in N'.t.
+
+
+Module N'' <: SIG := F N.
+
+Print N''.t.
+Eval Compute in N''.t.
+
+Eval Compute in N''.x.
+
+
+Module N''' : SIG with Definition t:=nat->nat  :=  N.
+
+Print N'''.t.
+Eval Compute in N'''.t.
+
+Print N'''.x.
+
+
+Import N'''.
+
+Print t.
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