bors[bot] 1927eb088a Merge #901
901: Add basic support for showing fn signature when hovering r=matklad a=vipentti

This adds basic support for displaying function signature when hovering over a usage of a function. 

Additionally refactored `hover` to return `HoverResult` to ease with testing and in general to be more robust.

Co-authored-by: Ville Penttinen <villem.penttinen@gmail.com>
2019-02-27 11:50:38 +00:00
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