Added simple testing capabilities

src/main.c

@@ -5,41 +5,8 @@
 
 int main(void)
 {
-    // C-style to string
-    string a;
-    a.chars = "Manual transformation of C-style to String";
-    a.length = strlen(a.chars);
+    string a = StrLit("Hello, world!");
     PrintStr(a);
 
-    // Automatic c-style to string
-    string b = CStyleToLengthString_Assign("Function transformation of C-style to String");
-    PrintStr(b);
-
-    // String assigning (shallow copy) and copying (deep copy)
-    char xx[] = "String Assign Copy";
-    char yy[] = "String Deep Copy";
-    string x = CStyleToLengthString_Assign(xx);
-    string y = CStyleToLengthString_Assign(yy);
-    string c = x;
-    PrintStr(c);
-    string d = StringCopy(y);
-    PrintStr(d);
-    x.chars[3] = '!';
-    y.chars[3] = '!';
-    PrintStr(c);
-    PrintStr(d);
-
-    // Manual string slicing
-    string e;
-    e.chars = &a.chars[7];
-    e.length = 14;
-    PrintStr(e);
-
-    // Automatic string slicing (by length or by index range)
-    string f = StringSlice_Length(a, 7, 14);
-    string g = StringSlice_Index(a, 7, 21);
-    PrintStr(f);
-    PrintStr(g);
-
     return 0;
 }