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#set par(justify: true)

*Goal*: being able to add line numbers, which are correct even in case of long lines that need wrapping.

*Strategy*: duplicate the code block, once for getting the line numbers correct, and the other for syntax highlighting. The idea is to split lines and prefix each line with its line number such that line wrapping should be respected.

#show raw.where(block: true): it => { set par(justify: false); grid(
  columns: (100%, 100%),
  column-gutter: -100%,
  block(width: 100%, inset: 1em, for i, line in it.text.split("\n") {

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function varargout = cached(cache_filepath, f, varargin )

if exist(cache_filepath, 'file') == 2
	load(cache_filepath, 'varargout');
else
	[varargout{1:nargout}] = f( varargin{:} );
	save(cache_filepath, 'varargout');
end

end

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type Msg = Debounce VirtualTime | ...

-- create a deferred (by timeout) command taking currentVirtualTime as an argument
checkIfNothingHappenedIn : Time -> VirtualTime -> Cmd Msg
checkIfNothingHappenedIn timeout currentVirtualTime =
    deferredCmd timeout (Debounce currentVirtualTime)

deferredCmd : Time -> Msg -> Cmd Msg

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isItLongEnoughCmd : Cmd Msg
isItLongEnoughCmd = Task.perform IsItLongEnough Time.now

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type alias Model = { ... , state : Debounce.State }

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// Avoid costly calculations while the window size is in flux.
jQuery(window).on(‘resize’, _.debounce(calculateLayout, 150));