GetKeyHandlers needs to be added to ValidateSet attribute

[rkeithhill]

If I try to add a keybinding to GetKeyHandlers like so:

Set-PSReadlineKeyHandler -Key Ctrl+/ -Function GetKeyHandlers    

I get this error:

Set-PSReadlineKeyHandler : Cannot validate argument on parameter 'Function'. The argument "GetKeyHandlers" does not
belong to the set "AcceptLine,AddLine,BackwardChar,BackwardDeleteChar,BackwardDeleteLine,BackwardKillLine,BackwardWord,
BeginningOfHistory,BeginningOfLine,CancelLine,Complete,DeleteChar,DisableDemoMode,EmacsBackwardWord,EmacsForwardWord,En
ableDemoMode,EndOfHistory,EndOfLine,ExchangePointAndMark,ForwardChar,ForwardDeleteLine,ForwardWord,HistorySearchBackwar
d,HistorySearchForward,KillBackwardWord,KillLine,KillWord,NextHistory,Paste,PossibleCompletions,PreviousHistory,Redo,Re
vertLine,SetKeyHandler,SetMark,TabCompleteNext,TabCompletePrevious,Undo,Yank,YankPop" specified by the ValidateSet
attribute. Supply an argument that is in the set and then try the command again.
At C:\Users\hillr\Documents\WindowsPowerShell\profile.ps1:25 char:63

• Set-PSReadlineKeyHandler -Key Ctrl+/            -Function GetKeyHandlers
  

•                                                           ~~~~~~~~~~~~~~
  

  • CategoryInfo : InvalidData: (:) [Set-PSReadlineKeyHandler], ParameterBindingValidationException
  • FullyQualifiedErrorId : ParameterArgumentValidationError,PSConsoleUtilities.SetKeyHandlerCommand

[lzybkr]

GetKeyHandlers doesn't have any side effects so it would be useless to support it as a simple function.

I think the only reason I made some of configuration methods public was to make it easier to write unit tests w/o needing to call PowerShell cmdlets.