From 976aa4fbee8a070f362cab6f6ec84e9251a90cf9 Mon Sep 17 00:00:00 2001
From: William Boman <william@redwill.se>
Date: Fri, 8 Jul 2022 18:34:38 +0200
Subject: refactor: add mason-schemas and mason-core modules (#29)

* refactor: add mason-schemas and move generated filetype map to mason-lspconfig

* refactor: add mason-core module
---
 lua/mason-core/functional/table.lua | 45 +++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 lua/mason-core/functional/table.lua

(limited to 'lua/mason-core/functional/table.lua')

diff --git a/lua/mason-core/functional/table.lua b/lua/mason-core/functional/table.lua
new file mode 100644
index 00000000..65d05cc8
--- /dev/null
+++ b/lua/mason-core/functional/table.lua
@@ -0,0 +1,45 @@
+local fun = require "mason-core.functional.function"
+
+local _ = {}
+
+---@param index any
+---@param tbl table
+_.prop = fun.curryN(function(index, tbl)
+    return tbl[index]
+end, 2)
+
+---@param keys any[]
+---@param tbl table
+_.pick = fun.curryN(function(keys, tbl)
+    local ret = {}
+    for _, key in ipairs(keys) do
+        ret[key] = tbl[key]
+    end
+    return ret
+end, 2)
+
+_.keys = fun.curryN(vim.tbl_keys, 1)
+_.size = fun.curryN(vim.tbl_count, 1)
+
+---@param tbl table<any, any>
+---@return any[][]
+_.to_pairs = fun.curryN(function(tbl)
+    local result = {}
+    for k, v in pairs(tbl) do
+        result[#result + 1] = { k, v }
+    end
+    return result
+end, 1)
+
+---@generic K, V
+---@param tbl table<K, V>
+---@return table<V, K>
+_.invert = fun.curryN(function(tbl)
+    local result = {}
+    for k, v in pairs(tbl) do
+        result[v] = k
+    end
+    return result
+end, 1)
+
+return _
-- 
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