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How can I configure IDEA to automatically replace => with ⇒ and -> with →?
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By default, IntelliJ IDEA displays the code completion popup automatically as you type. If automatic completion is disabled, press Ctrl+Shift+Space or choose Code | Code Completion | Type-Matching from the main menu. If necessary, press Ctrl+Shift+Space once again.
You can also do this by holding CTRL and dragging the tab to a new monitor (or any space outside the main window). It'll automatically duplicate the tab in a new window and leave the old tab in the same window. Also works for cloning tabs between two or more windows.
Take a look at this question and answer which makes use of IntelliJ's "Live Templates", in this case scalaz mappings in XML form saved as a file rather than entered from the GUI. This, I guess, is fine with scalaz as all the unicode aliased functions and methods are already present.
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