fix: filter out hidden functions from workspace symbols (#66)

Closes #39

Author: mhanberg

lib/next_ls/symbol_table.ex

@@ -94,7 +94,9 @@ defmodule NextLS.SymbolTable do
       )
     end
 
-    for {name, {:v1, type, _meta, clauses}} <- defs, name != :__struct__, {meta, _, _, _} <- clauses do
+    for {name, {:v1, type, _meta, clauses}} <- defs,
+        not String.match?(to_string(name), ~r/__.*__/),
+        {meta, _, _, _} <- clauses do
       :dets.insert(
         state.table,
         {mod,

test/next_ls/symbol_table_test.exs

@@ -56,6 +56,7 @@ defmodule NextLS.SymbolTableTest do
       module_line: 1,
       struct: nil,
       defs: [
+        __foo__: {:v1, :def, [line: 900], [{[line: 900], [], [], nil}]},
         start_link:
           {:v1, :def, [line: 44],
            [