--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/luan/Luan.java	Fri Dec 28 03:29:12 2012 +0000
@@ -0,0 +1,80 @@
+package luan;
+
+
+public class Luan {
+	public static final String version = "Luan 0.0";
+
+	public static String type(Object obj) {
+		if( obj == null )
+			return "nil";
+		if( obj instanceof String )
+			return "string";
+		if( obj instanceof Boolean )
+			return "boolean";
+		if( obj instanceof Number )
+			return "number";
+		return "userdata";
+	}
+
+	public static boolean toBoolean(Object obj) {
+		return obj != null && !Boolean.FALSE.equals(obj);
+	}
+
+	public static String asString(Object obj) {
+		if( obj instanceof String )
+			return (String)obj;
+		if( obj instanceof Number )
+			return toString((Number)obj);
+		return null;
+	}
+
+	public static Number toNumber(Object obj) {
+		return toNumber(obj,null);
+	}
+
+	public static Number toNumber(Object obj,Integer base) {
+		if( obj instanceof Number )
+			return (Number)obj;
+		if( obj instanceof String ) {
+			String s = (String)obj;
+			try {
+				if( base==null )
+					return Double.valueOf(s);
+				else
+					return Long.valueOf(s,base);
+			} catch(NumberFormatException e) {}
+		}
+		return null;
+	}
+
+	public static Object first(Object[] a) {
+		return a.length==0 ? null : a[0];
+	}
+
+	public static String toString(Number n) {
+		if( n instanceof Integer )
+			return n.toString();
+		String s = n.toString();
+		int iE = s.indexOf('E');
+		String ending  = null;
+		if( iE != -1 ) {
+			ending = s.substring(iE);
+			s = s.substring(0,iE);
+		}
+		if( s.endsWith(".0") )
+			s = s.substring(0,s.length()-2);
+		if( ending != null )
+			s += ending;
+		return s;
+	}
+
+	public static Integer asInteger(Object obj) {
+		if( obj instanceof Integer )
+			return (Integer)obj;
+		if( !(obj instanceof Number) )
+			return null;
+		Number n = (Number)obj;
+		int i = n.intValue();
+		return i==n.doubleValue() ? Integer.valueOf(i) : null;
+	}
+}