[xmonad] Applied: (DynamicWorkspaces) Generalize new workspace addition functions to support arbitrary insertion

[darcswatch at nomeata.de]

This 1-patch bundle was just applied to http://code.haskell.org/XMonadContrib:

20141219002309  nrujac at gmail.com
 * Generalize new workspace addition functions to support arbitrary insertion.
 The current DynamicWorkspaces module only supports adding new workspaces
 at the start of the list of workspaces. This means when binding workspaces
 to keys based on the position in the list, key bindings can change 
 as workspaces are added in removed in a far more destructive way than
 necessary. Instead, supporting appending and arbitrary insertion allows
 the user to determine where the new workspace should be added.
 
 This patch is a straight generalization of the addHiddenWorkspace' function.
 Rather than always using `(:)` to insert the new workspace into the list
 of workspaces, this patches causes it to use an arbitrary list insertion
 function instead. A few new functions are added to prevent breakage of
 external code while exported functions are left unchanged.
 
 List of new functions:
   appendWorkspace
   appendWorkspacePrompt
   addWorkspaceAt
   addHiddenWorkspaceAt
 
 Existing functions were modified to call their generalized brethren where possible
 without changing functionality. This patch should not change behavior for any
 existing users of this module.
 


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