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local fun = require "mason-core.functional.function"
local _ = {}
---@generic T, U
---@param index T
---@param tbl table<T, U>
---@return U?
_.prop = fun.curryN(function(index, tbl)
return tbl[index]
end, 2)
---@generic T, U
---@param keys T[]
---@param tbl table<T, U>
---@return table<T, U>
_.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)
---@generic K, V
---@param tbl table<K, V>
---@return { [1]: K, [2]: V }[]
_.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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