3 files changed, 14 insertions, 0 deletions
diff --git a/lua/nvim-lsp-installer/core/functional/init.lua b/lua/nvim-lsp-installer/core/functional/init.lua
index 6987e1a7..3e29037f 100644
--- a/lua/nvim-lsp-installer/core/functional/init.lua
+++ b/lua/nvim-lsp-installer/core/functional/init.lua
@@ -32,6 +32,7 @@ _.concat = list.concat
 _.zip_table = list.zip_table
 _.nth = list.nth
 _.head = list.head
+_.length = list.length
 
 -- relation
 local relation = require "nvim-lsp-installer.core.functional.relation"
@@ -62,6 +63,7 @@ local string = require "nvim-lsp-installer.core.functional.string"
 _.matches = string.matches
 _.format = string.format
 _.split = string.split
+_.gsub = string.gsub
 
 -- table
 local tbl = require "nvim-lsp-installer.core.functional.table"
diff --git a/lua/nvim-lsp-installer/core/functional/list.lua b/lua/nvim-lsp-installer/core/functional/list.lua
index c12330dd..89393cfb 100644
--- a/lua/nvim-lsp-installer/core/functional/list.lua
+++ b/lua/nvim-lsp-installer/core/functional/list.lua
@@ -115,4 +115,9 @@ end, 2)
 
 _.head = _.nth(1)
 
+---@param value string|any[]
+_.length = function(value)
+    return #value
+end
+
 return _
diff --git a/lua/nvim-lsp-installer/core/functional/string.lua b/lua/nvim-lsp-installer/core/functional/string.lua
index 3fd3aa03..212fc0d9 100644
--- a/lua/nvim-lsp-installer/core/functional/string.lua
+++ b/lua/nvim-lsp-installer/core/functional/string.lua
@@ -20,4 +20,11 @@ _.split = fun.curryN(function(sep, str)
     return vim.split(str, sep)
 end, 2)
 
+---@param pattern string
+---@param repl string|function|table
+---@param str string
+_.gsub = fun.curryN(function(pattern, repl, str)
+    return string.gsub(str, pattern, repl)
+end, 3)
+
 return _