--- a/src/luan/modules/StringLuan.java	Tue Feb 12 21:50:26 2019 -0700
+++ b/src/luan/modules/StringLuan.java	Tue Feb 12 22:33:40 2019 -0700
@@ -4,7 +4,6 @@
 import java.util.regex.Pattern;
 import java.util.regex.Matcher;
 import luan.Luan;
-import luan.LuanState;
 import luan.LuanTable;
 import luan.LuanFunction;
 import luan.LuanException;
@@ -131,7 +130,7 @@
 		Utils.checkNotNull(s);
 		final Matcher m = Pattern.compile(pattern).matcher(s);
 		return new LuanFunction() {
-			@Override public Object call(LuanState luan,Object[] args) {
+			@Override public Object call(Luan luan,Object[] args) {
 				if( !m.find() )
 					return null;
 				final int n = m.groupCount();
@@ -146,7 +145,7 @@
 		};
 	}
 
-	@LuanMethod public static Object[] gsub(LuanState luan,String s,String pattern,Object repl,Integer n) throws LuanException {
+	@LuanMethod public static Object[] gsub(Luan luan,String s,String pattern,Object repl,Integer n) throws LuanException {
 		Utils.checkNotNull(s);
 		int max = n==null ? Integer.MAX_VALUE : n;
 		final Matcher m = Pattern.compile(pattern).matcher(s);
@@ -210,7 +209,7 @@
 		return String.format(format,args);
 	}
 
-	public static String concat(LuanState luan,Object... args) throws LuanException {
+	public static String concat(Luan luan,Object... args) throws LuanException {
 		StringBuilder sb = new StringBuilder();
 		for( Object arg : args ) {
 			sb.append( luan.toString(arg) );