HotkeySet() in AutoHotkey for use by AU3 to AHK_L converters

HotkeySet.ahk

HotkeySet(Hotkey, FunctionName=""){
    Global HotkeySet := Object()
 
    if !FunctionName
    {
        Try Hotkey, %Hotkey%, Off
        return 1 ; Not specified in docs, and hell if I'm installing AU3
    }
 
    Try Hotkey, %Hotkey%, HotkeySet, On
    catch
        return 0 ; failure
    if !IsFunc(functionName)
        return 0
    HotkeySet[Hotkey] := FunctionName
    return 1
 
    HotkeySet:
        f := HotkeySet[A_ThisHotkey]
        %f%()
    return
}