fix dialyzer issues

Author: lukaszsamson

apps/language_server/lib/language_server/application.ex

@@ -44,6 +44,7 @@ defmodule ElixirLS.LanguageServer.Application do
     :ok
   end
 
+  @spec restart() :: no_return()
   def restart() do
     Application.put_env(:language_server, :restart, true)
     System.halt(0)

apps/language_server/lib/language_server/providers/hover/docs.ex

@@ -251,9 +251,6 @@ defmodule ElixirLS.LanguageServer.Providers.Hover.Docs do
         {line, column} = context.end
         call_arity = Metadata.get_call_arity(metadata, mod, fun, line, column) || :any
         get_all_docs({mod, fun, call_arity}, metadata, env, kind)
-
-      _ ->
-        nil
     end
   end
 

apps/language_server/lib/language_server/providers/plugins/plugin.ex

@@ -1,7 +1,7 @@
 defmodule ElixirLS.LanguageServer.Plugin do
   alias ElixirSense.Core.Metadata
   alias ElixirSense.Core.State
-  @type suggestion :: ElixirLS.LanguageServer.Providers.Suggestion.generic()
+  @type suggestion :: ElixirLS.LanguageServer.Providers.Completion.Suggestion.generic()
 
   @type context :: term
   @type acc :: %{context: context(), result: list(suggestion())}

apps/language_server/mix.exs

@@ -47,7 +47,8 @@ defmodule ElixirLS.LanguageServer.MixProject do
        github: "elixir-lsp/path_glob", ref: @dep_versions[:path_glob_vendored]},
       {:patch, "~> 0.12.0", only: [:dev, :test], runtime: false},
       {:benchee, "~> 1.0", only: :dev, runtime: false},
-      {:schematic_v, github: "elixir-lsp/schematic_vendored", ref: @dep_versions[:schematic_vendored]},
+      {:schematic_v,
+       github: "elixir-lsp/schematic_vendored", ref: @dep_versions[:schematic_vendored]},
       {:typed_struct, "~> 0.3"}
     ]
   end