Nvim: Added usage information

.config/nvim/lua/plugins/symbol-usage.lua

@@ -0,0 +1,35 @@
+return {
+  -- show usage, implementations, etc for functions
+  "Wansmer/symbol-usage.nvim",
+  event = "BufReadPre", -- need run before LspAttach if you use nvim 0.9. On 0.10 use 'LspAttach'
+  config = function()
+    local function text_format(symbol)
+      local fragments = {}
+
+      -- Indicator that shows if there are any other symbols in the same line
+      local stacked_functions = symbol.stacked_count > 0 and (" | +%s"):format(symbol.stacked_count)
+        or ""
+
+      if symbol.references then
+        local usage = symbol.references <= 1 and "usage" or "usages"
+        local num = symbol.references == 0 and "no" or symbol.references
+        table.insert(fragments, ("%s %s"):format(num, usage))
+      end
+
+      if symbol.definition then
+        table.insert(fragments, symbol.definition .. " defs")
+      end
+
+      if symbol.implementation then
+        table.insert(fragments, symbol.implementation .. " impls")
+      end
+
+      return table.concat(fragments, ", ") .. stacked_functions
+    end
+
+    require("symbol-usage").setup({
+      text_format = text_format,
+      vt_position = "end_of_line",
+    })
+  end,
+}