/usr/lib/ruby/vendor_ruby/hamster/mutable_hash.rb is in ruby-hamster 3.0.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | require "hamster/hash"
require "hamster/read_copy_update"
module Hamster
# @api private
class MutableHash
include ReadCopyUpdate
def self.[](pairs = {})
MutableHash.new(Hash[pairs])
end
def put(key, value = Undefined, &block)
transform { |hash| hash.put(key, value, &block) }
end
def store(key, value)
put(key, value)
value
end
alias :[]= :store
def delete(key)
old_value = nil
transform do |hash|
old_value = hash.get(key)
hash.delete(key)
end
old_value
end
end
end
|