Make function rules built-in

core/src/main/java/it/cavallium/warppi/math/rules/RulesManager.java

@@ -10,6 +10,7 @@ import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Stream;
 
 import it.cavallium.warppi.Engine;
 import it.cavallium.warppi.Platform.ConsoleUtils;
@@ -23,6 +24,7 @@ import it.cavallium.warppi.math.functions.Variable;
 import it.cavallium.warppi.math.functions.Variable.V_TYPE;
 import it.cavallium.warppi.math.rules.dsl.DslAggregateException;
 import it.cavallium.warppi.math.rules.dsl.RulesDsl;
+import it.cavallium.warppi.math.rules.functions.*;
 import it.cavallium.warppi.math.solver.MathSolver;
 import it.cavallium.warppi.util.Error;
 import it.unimi.dsi.fastutil.objects.ObjectArrayList;
@@ -41,6 +43,8 @@ public class RulesManager {
 			RulesManager.rules[val.ordinal()] = new ObjectArrayList<>();
 		}
 
+		loadBuiltinRules();
+
 		try {
 			loadDslRules();
 
@@ -159,6 +163,24 @@ public class RulesManager {
 		}
 	}
 
+	private static void loadBuiltinRules() {
+		Stream.of(
+				new DivisionRule(),
+				new EmptyNumberRule(),
+				new ExpressionRule(),
+				new JokeRule(),
+				new MultiplicationRule(),
+				new NegativeRule(),
+				new NumberRule(),
+				new PowerRule(),
+				new RootRule(),
+				new SubtractionRule(),
+				new SumRule(),
+				new SumSubtractionRule(),
+				new VariableRule()
+		).forEach(RulesManager::addRule);
+	}
+
 	private static void loadDslRules() throws IOException, DslAggregateException {
 		final StorageUtils storageUtils = Engine.getPlatform().getStorageUtils();
 

core/src/main/java/it/cavallium/warppi/math/rules/functions/DivisionRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.DivisionRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/EmptyNumberRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.EmptyNumberRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/ExpressionRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.ExpressionRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/JokeRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.JokeRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/MultiplicationRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.MultiplicationRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/NegativeRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.NegativeRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/NumberRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.NumberRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/PowerRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.PowerRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/RootRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.RootRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/SubtractionRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.SubtractionRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/SumRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.SumRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/SumSubtractionRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.SumSubtractionRule

core/src/main/java/it/cavallium/warppi/math/rules/functions/VariableRule.java

@@ -1,4 +1,4 @@
-package rules.functions;
+package it.cavallium.warppi.math.rules.functions;
 /*
 SETTINGS: (please don't move this part)
  PATH=functions.VariableRule

core/src/main/resources/default-rules.lst

@@ -1,15 +1,2 @@
-functions/DivisionRule
-functions/EmptyNumberRule
-functions/ExpressionRule
-functions/JokeRule
-functions/MultiplicationRule
-functions/NegativeRule
-functions/NumberRule
-functions/PowerRule
-functions/RootRule
-functions/SubtractionRule
-functions/SumRule
-functions/SumSubtractionRule
-functions/VariableRule
 ExpandRule1
 ExponentRule17