Add README.md, example

2 files changed, 17 insertions, 3 deletions

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..83cb867
--- /dev/null
+++ b/README.md
@@ -0,0 +1,14 @@
+# slang
+
+…a experimental Forth-like stack language implemented in D.
+
+## Example
+
+	1 i $
+	§ incr dup @ 1 + swp $ ;
+	§ print @ . pop ;
+	§ withinBounds @ 10 < ;
+	§ loop i withinBounds if i print i incr loop then else ;
+	loop
+
+The above _slang_ code to be entered in the repl prints the numbers from 1 to 9. The repl may be compiled and executed using `dub run` in the project directory.
diff --git a/source/primitives/conditional.d b/source/primitives/conditional.d
index 678f516..08c0f52 100644
--- a/source/primitives/conditional.d
+++ b/source/primitives/conditional.d
@@ -26,7 +26,7 @@ bool drop(Token token) {
 			case "if"   : eval_if;        break;
 			case "then" : eval_then;      break;
 			case "else" : eval_else;      break;
-			default     : capture(token); break; 
+			default     : capture(token); break;
 		}
 	} else {
 		capture(token);
@@ -55,7 +55,7 @@ void eval_then() {
 
 void eval_else() {
 	if ( concluded ) {
-		throw new Exception("`else` without preceding `if`");	
+		throw new Exception("`else` without preceding `if`");
 	} else {
 		drop_mode = false;
 		concluded = true;
@@ -72,6 +72,6 @@ Stack!Token discharge() {
 		buffer.nullify;
 		return result;
 	} else {
-		throw new Exception("unconcluded conditional may not be discharged");	
+		throw new Exception("unconcluded conditional may not be discharged");
 	}
 }