1 files changed, 19 insertions, 0 deletions
diff --git a/lua/nvim-lsp-installer/data.lua b/lua/nvim-lsp-installer/data.lua
index 901c293a..b5689142 100644
--- a/lua/nvim-lsp-installer/data.lua
+++ b/lua/nvim-lsp-installer/data.lua
@@ -33,6 +33,21 @@ function Data.list_map(fn, list)
     return result
 end
 
+function Data.table_pack(...)
+    return { n = select("#", ...), ... }
+end
+
+function Data.list_not_nil(...)
+    local result = {}
+    local args = Data.table_pack(...)
+    for i = 1, args.n do
+        if args[i] ~= nil then
+            result[#result + 1] = args[i]
+        end
+    end
+    return result
+end
+
 function Data.tbl_pack(...)
     return { n = select("#", ...), ... }
 end
@@ -41,6 +56,10 @@ function Data.when(condition, value)
     return condition and value or nil
 end
 
+function Data.lazy(condition, fn)
+    return condition and fn() or nil
+end
+
 function Data.coalesce(...)
     local args = Data.tbl_pack(...)
     for i = 1, args.n do