Made method mutability part of signature and method selection

IDEHelper/Tests/src/Indexers.bf

@@ -31,6 +31,24 @@ namespace Tests
 
 		}
 
+		struct StructA
+		{
+			int mA;
+
+			public int this[int index]
+			{
+				get
+				{
+					return 1;
+				}
+
+				get mut
+				{
+					return 2;
+				}
+			}
+		}
+
 		[Test]
 		public static void Hey()
 		{
@@ -43,6 +61,11 @@ namespace Tests
 			Test.Assert(value == 234);
 			value = ca[0];
 			Test.Assert(value == 234);
+
+			StructA sa = default;
+			let sa2 = sa;
+			Test.Assert(sa[0] == 2);
+			Test.Assert(sa2[0] == 1);
 		}
 	}
 }

IDEHelper/Tests/src/Properties.bf

@@ -36,8 +36,35 @@ namespace Tests
 		{
 			public StructA B { get; }
 
+			public int C => 123;
+			[SkipCall]
+			public int D => 123;
+
+			public int E
+			{
+				get
+				{
+					return 1;
+				}
+
+				get mut
+				{
+					return 2;
+				}
+			}
+
 			int mZ = 9;
 
+			public int GetVal()
+			{
+				return 3;
+			}
+
+			public int GetVal() mut
+			{
+				return 4;
+			}
+
 			public this()
 			{
 				B = .();
@@ -73,6 +100,15 @@ namespace Tests
 			sa = sb.B;
 			Test.Assert(sa.mA == 222);
 
+			StructC sc = default;
+			Test.Assert(sc.C == 123);
+			Test.Assert(sc.D == 0);
+			let sc2 = sc;
+			Test.Assert(sc.E == 2);
+			Test.Assert(sc.GetVal() == 4);
+			Test.Assert(sc2.E == 1);
+			Test.Assert(sc2.GetVal() == 3);
+
 			ClassB cb = scope .();
 			sa = cb.B;
 			Test.Assert(sa.mA == 0);