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Lua: improve function documentations

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Albert Krewinkel 2019-08-15 22:53:02 +02:00
parent 2712d3e869
commit 1f9384542e
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1 changed files with 4 additions and 1 deletions
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src/Text/Pandoc/Lua/Filter.hs
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@ -93,7 +93,10 @@ pushFilterFunction :: LuaFilterFunction -> Lua ()
pushFilterFunction (LuaFilterFunction fnRef) = pushFilterFunction (LuaFilterFunction fnRef) =
Lua.getref Lua.registryindex fnRef Lua.getref Lua.registryindex fnRef
-- | Fetch either a list of elements from the stack. If there is a single
-- element instead of a list, fetch that element as a singleton list. If the top
-- of the stack is nil, return the default element that was passed to this
-- function. If none of these apply, raise an error.
elementOrList :: Peekable a => a -> Lua [a] elementOrList :: Peekable a => a -> Lua [a]
elementOrList x = do elementOrList x = do
let topOfStack = Lua.stackTop let topOfStack = Lua.stackTop