missing left-hand argument to =

ID:1930311
 
Sep 4 2015, 2:23 am
(See the best response by Nadrew.)
Code:
obj/items/Citem
    Eye
        verb
            ImplantEye()
                if(!locate(/obj/Perk/Surgeon) in usr.contents)
                    usr<<"You're not a surgeon. Stop that....Unless you want to try anyway..."
                    var/ try = input("Will you give it a go!?")in list("Yes","No")
                    if(try=="Yes")
                        if(locate(/obj/Perk/Mastery) in usr.contents)
                            if(prob(50))
                                goto Transplant
                            else
                                usr<<"You failed."
                                del src
                        else
                            if(prob(10))
                                goto Transplant
                            else
                                usr<<"You fail. Good Game. Well Played."
                                del src
                    if(try == "No")
                        usr<<"Good on you mate."
                        return


Problem description:
Mating\Illnesses and Genetics\Gene Splicing\Eyes.dm:7:error: missing left-hand argument to =.
Mating\Illnesses and Genetics\Gene Splicing\Eyes.dm:7:error: try without catch
Sep 4 2015, 2:26 am
try was recently implemented into the DM language as a keyword, so you can't use it as a variable name. You'll have to rename your try variable.
Sep 4 2015, 2:26 am
Best response
You're using a pre-defined name for your variable. 'try' was made an error-handling keyword in the 508 release of BYOND. You'll just need to change 'try' to something else.

You should also avoid using 'goto' and use a less ugly method of executing what you're after.
Sep 4 2015, 2:29 am
Any recommendation on what I should replace it with? Yes, I am an amateur coder.
Sep 4 2015, 2:31 am
Anything you want really, it's just a variable name.

Something like 'try_input' would work fine, just be sure to change every place the 'try' variable gets used.
Sep 4 2015, 2:42 am
Thanks. Helped a lot. Now to make another forum post about a mapping problem I'm having.