From 9fa0bb2822af391db96687ad6ddb66ddb3529c58 Mon Sep 17 00:00:00 2001
From: William Boman <william@redwill.se>
Date: Tue, 17 May 2022 13:49:18 +0200
Subject: chore(functional): restructure and extend functional modules (#703)

---
 lua/nvim-lsp-installer/core/functional/data.lua | 30 +++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 lua/nvim-lsp-installer/core/functional/data.lua

(limited to 'lua/nvim-lsp-installer/core/functional/data.lua')

diff --git a/lua/nvim-lsp-installer/core/functional/data.lua b/lua/nvim-lsp-installer/core/functional/data.lua
new file mode 100644
index 00000000..da6f1efd
--- /dev/null
+++ b/lua/nvim-lsp-installer/core/functional/data.lua
@@ -0,0 +1,30 @@
+local _ = {}
+
+_.table_pack = function(...)
+    return { n = select("#", ...), ... }
+end
+
+---@generic T : string
+---@param values T[]
+---@return table<T, T>
+_.enum = function(values)
+    local result = {}
+    for i = 1, #values do
+        local v = values[i]
+        result[v] = v
+    end
+    return result
+end
+
+---@generic T
+---@param list T[]
+---@return table<T, boolean>
+_.set_of = function(list)
+    local set = {}
+    for i = 1, #list do
+        set[list[i]] = true
+    end
+    return set
+end
+
+return _
-- 
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