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Bobo8
PostPosted: September 12th, 2008, 7:27 pm 
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Joined: September 9th, 2008, 9:11 am
Posts: 5
Location: Czech rep.
1) For more complex functions it would be very helpful to have optional parameters in the middle of the parameter list, not only in the end.

2) For calling functions with optional parameters it will be very helpful to have possibility to use blank parameters. This is especially confusing, because the build in AHK functions have this possibility! When I met with this blank parameter error, I thought that it is my error and a few hours I searched on the internet and in another scripts, finally I have found 2 forum topics, where another people ask about it:
http://www.autohotkey.com/forum/topic32489.html
http://www.autohotkey.com/forum/viewtopic.php?t=18517&start=0&postdays=0&postorder=asc&highlight=optional+parameters+function
There enigmatiqk did not understand the answer, that it isn't possible to have blank parameter, because he didn't believe it :shock:
Neither did I.


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derRaphael
 Post subject:
PostPosted: September 12th, 2008, 8:36 pm 
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Joined: November 23rd, 2007, 10:23 am
Posts: 841
Location: ~/.
Try this way:
Code:
msgbox % function(",8")
x := 10
msgbox % function("%x%,8")

function(Parameter="a=5,b=2,c=5") {
   
   Static DefaultVarsValues := "a=5,b=2,c=5"
   
   Loop,Parse,DefaultVarsValues,`,
      If (RegExMatch(A_LoopField,"(?P<Name>[^=]+)=(?P<Value>.+)",Def)) {
         TransForm, Value, Deref, %DefValue%
         Var%A_Index% := DefName, %DefName% := Value
      }
   Loop,Parse,Parameter,`,
      if ((VarName:=Var%A_Index%)&&(StrLen(A_LoopField)!=0)) {
         TransForm, Value, Deref, %A_LoopField%
         %VarName% := Value
      }
   
   return a+b+c
}

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Ice_Tea
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PostPosted: September 13th, 2008, 1:28 am 
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Joined: January 12th, 2008, 7:45 pm
Posts: 131
That's kickass, but I don't think it works if you have expressions in the parameters...


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engunneer
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PostPosted: September 14th, 2008, 12:28 am 
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Joined: August 30th, 2005, 8:43 pm
Posts: 8666
Location: Salem, MA
you could use transform, deref to parse out expressions, or concatenate the expressions along the way

Code:
function("8, " somevalue + 3 ", string")

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