Commit 1d71e969 authored by Committed by Austin Seipp
Fix ghci tab completion of duplicate identifiers.
Summary: Currently, if the same identifier is imported via multiple modules, ghci shows multiple completions for it. Use the nub of the completions instead so that it only shows up once. Signed-off-by: Shachaf Ben-Kiki <firstname.lastname@example.org> Test Plan: by hand Reviewers: simonmar, austin, hvr Reviewed By: austin, hvr Subscribers: hvr, simonmar, relrod, carter Differential Revision: https://phabricator.haskell.org/D58
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