Initial commit

lua/cave/option.lua

@@ -0,0 +1,13 @@
+---@class cave.Option
+local Option
+
+---@generic ValueType, ResultType
+---@param opt ValueType?
+---@param fn fun(opt: ValueType): ResultType
+---@return ResultType?
+function Option.map(opt, fn)
+  if opt == nil then return nil end
+  return fn(opt)
+end
+
+return Option