Move classes to separate modules

modules/main/src/main/java/com/annimon/ownlang/modules/functional/functional_foreach.java

@@ -6,19 +6,12 @@ import java.util.Map;
 
 public final class functional_foreach implements Function {
 
-    private static final int UNKNOWN = -1;
-
     @Override
     public Value execute(Value... args) {
         Arguments.check(2, args.length);
         final Value container = args[0];
         final Function consumer = ValueUtils.consumeFunction(args[1], 1);
-        final int argsCount;
-        if (consumer instanceof UserDefinedFunction) {
-            argsCount = ((UserDefinedFunction) consumer).getArgsCount();
-        } else {
-            argsCount = UNKNOWN;
-        }
+        final int argsCount = consumer.getArgsCount();
 
         switch (container.type()) {
             case Types.STRING:

modules/main/src/main/java/com/annimon/ownlang/modules/std/std.java

@@ -1,6 +1,7 @@
 package com.annimon.ownlang.modules.std;
 
-import com.annimon.ownlang.Main;
+import com.annimon.ownlang.Shared;
+import com.annimon.ownlang.Version;
 import com.annimon.ownlang.lib.*;
 import com.annimon.ownlang.modules.Module;
 
@@ -13,17 +14,17 @@ public final class std implements Module {
     public static void initConstants() {
         MapValue ownlang = new MapValue(5);
         ownlang.set("PLATFORM", new StringValue("desktop"));
-        ownlang.set("VERSION", new StringValue(Main.VERSION));
-        ownlang.set("VERSION_MAJOR", NumberValue.of(Main.VERSION_MAJOR));
-        ownlang.set("VERSION_MINOR", NumberValue.of(Main.VERSION_MINOR));
-        ownlang.set("VERSION_PATCH", NumberValue.of(Main.VERSION_PATCH));
+        ownlang.set("VERSION", new StringValue(Version.VERSION));
+        ownlang.set("VERSION_MAJOR", NumberValue.of(Version.VERSION_MAJOR));
+        ownlang.set("VERSION_MINOR", NumberValue.of(Version.VERSION_MINOR));
+        ownlang.set("VERSION_PATCH", NumberValue.of(Version.VERSION_PATCH));
         Variables.define("OwnLang", ownlang);
     }
 
     @Override
     public void init() {
         initConstants();
-        Variables.define("ARGS", ArrayValue.of(Main.getOwnlangArgs())); // is not constant
+        Variables.define("ARGS", ArrayValue.of(Shared.getOwnlangArgs())); // is not constant
         Functions.set("echo", new std_echo());
         Functions.set("readln", new std_readln());
         Functions.set("length", new std_length());

modules/main/src/main/java/com/annimon/ownlang/modules/std/std_length.java

@@ -22,11 +22,7 @@ public final class std_length implements Function {
                 break;
             case Types.FUNCTION:
                 final Function func = ((FunctionValue) val).getValue();
-                if (func instanceof UserDefinedFunction) {
-                    length = ((UserDefinedFunction) func).getArgsCount();
-                } else {
-                    length = 0;
-                }
+                length = func.getArgsCount();
                 break;
             default:
                 length = 0;