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C#

Elfar Oliver
Elfar Oliver
3,924 Points
Posted by Elfar Oliver
Elfar Oliver
3,924 Points

The type `TreehouseDefense.MapLocation' does not contain a constructor that takes `3' arguments

I already had a look at a similar question but his code was complete and he had done more assignments so the answer for that didn't help with mine.

Here's the snapshot for the entire thing https://w.trhou.se/ambgl9ixrd

I tried changing the "public MapLocation" in line 5 in MapLocation.cs to "public mapLocation and then I got "MapLocation.cs(5,16): error CS1520: Class, struct, or interface method must have a return type"

2 Answers

Steven Parker
Steven Parker
231,248 Points
Steven Parker
Steven Parker
231,248 Points

In Game.cs, on lines 15-22 there are 8 new MapLocation objects created, with each given 3 arguments.

But in MapLocation.cs, the constructor is defined on line 5 to take only 2 arguments. It looks like it was intended to have a third parameter named "map" (of type Map):

//      public MapLocation(int x, int y) : base(x, y)               // original
        public MapLocation(int x, int y, Map map) : base(x, y)      // modified
//                                       ^^^^^^^
Elfar Oliver
Elfar Oliver
3,924 Points
Elfar Oliver
Elfar Oliver
3,924 Points

Thank you so much(yet again)! I got the same results as the teacher from compiling after I added Map map as a 3rd argument

Mel Rumsey
seal-mask
MOD
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Mel Rumsey
Treehouse Moderator
Mel Rumsey
.a{fill-rule:evenodd;}techdegree seal-36
Mel Rumsey
Treehouse Moderator

Hey Elfar Oliver! I took a look at your workspace, so the error is pointing at this method public MapLocation(int x, int y) : base(x, y) The error here is that it is not stating the return type. If the return type is an int you'll need to make it public int MapLocation if the return value is nothing, it should be public void MapLocation etc.

Hope this helps!

Elfar Oliver
Elfar Oliver
3,924 Points
Elfar Oliver
Elfar Oliver
3,924 Points

Thanks for replying, but it didn't work. I tried int, double, void, and string. I also don't remember in which video that code was made so I'll just take a break and study something else for a couple of days

Steven Parker
Steven Parker
231,248 Points
Steven Parker
Steven Parker
231,248 Points

Mel, you should be aware that constructors never have a return type, not even "void".
Take a look at the section on Constructor syntax in the online documentation.