如何将一组符号提供给委托

Question

我想做类似的事情：

project_paths = project_hash.keys
delegate :params, :h, :raw, :link_to, project_paths, to: :@view

但是project_paths是一个数组，这在这里不起作用。

如何将符号数组转换为逗号分隔符号的“列表”，我可以将其输入delegate？

Answer 1

使用splat运算符：

delegate :params, :h, :raw, :link_to, *project_paths, to: :@view