From 30bb51372fa8fdb6d68d1fd1b15793940c8d4e3b Mon Sep 17 00:00:00 2001
From: bringert <bringert@cs.chalmers.se>
Date: Thu, 1 Dec 2005 13:11:01 +0000
Subject: [PATCH] Added binary numeral grammars.

---
 examples/numerals/Binary.gf       | 10 ++++++++++
 examples/numerals/BinaryDigits.gf | 11 +++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 examples/numerals/Binary.gf
 create mode 100644 examples/numerals/BinaryDigits.gf

diff --git a/examples/numerals/Binary.gf b/examples/numerals/Binary.gf
new file mode 100644
index 000000000..f053b64ba
--- /dev/null
+++ b/examples/numerals/Binary.gf
@@ -0,0 +1,10 @@
+abstract Binary = {
+
+cat Bin;
+
+fun End : Bin ;
+fun Zero : Bin -> Bin ;
+fun One : Bin -> Bin ;
+
+
+}
\ No newline at end of file
diff --git a/examples/numerals/BinaryDigits.gf b/examples/numerals/BinaryDigits.gf
new file mode 100644
index 000000000..3a30a993c
--- /dev/null
+++ b/examples/numerals/BinaryDigits.gf
@@ -0,0 +1,11 @@
+concrete BinaryDigits of Binary = {
+
+flags startcat=Bin ;
+
+lincat Bin = { s : Str } ;
+
+lin End = { s = "" } ;
+lin Zero b = { s = "0" ++ b.s } ;
+lin One b = { s = "1" ++ b.s } ;
+
+}
\ No newline at end of file