bhang-stripe

Ruby: allow Google::Protobuf::Map#to_h to accept a block

3

In Ruby, `Google::Protobuf::Map` is an `Enumerable`. From the [Ruby documentation for Enumerable#to_h](https://ruby-doc.org/core-3.0.1/Enumerable.html#method-i-to_h): > If a block is given, the results of the block on each element of the enum will...