Contents

class SliceableHash
 
  def initialize(hash)
    @hash = hash
  end

  # Return a hash that includes only the given keys.
  def slice(*keys)
    keys.map! { |key| @hash.convert_key(key) } if @hash.respond_to?(:convert_key, true)
    keys.each_with_object(@hash.class.new) { |k, hash| hash[k] = @hash[k] if @hash.has_key?(k) && if_string_not_empty(@hash[k]) }
  end
  
  def if_string_not_empty(val)
    val.kind_of?(String) ? !val.empty? : true
  end
end

Version data entries

74 entries across 74 versions & 2 rubygems

Version	Path
intercom-3.5.10	lib/ext/sliceable_hash.rb
intercom-3.5.9	lib/ext/sliceable_hash.rb
intercom-3.5.8	lib/ext/sliceable_hash.rb
intercom-3.5.7	lib/ext/sliceable_hash.rb
intercom-3.5.6	lib/ext/sliceable_hash.rb
intercom-3.5.5	lib/ext/sliceable_hash.rb
intercom-3.5.4	lib/ext/sliceable_hash.rb
intercom-3.5.3	lib/ext/sliceable_hash.rb
intercom-3.5.2	lib/ext/sliceable_hash.rb
cogniteev-intercom-2.5.4	lib/ext/sliceable_hash.rb
intercom-3.5.1	lib/ext/sliceable_hash.rb
intercom-3.4.0	lib/ext/sliceable_hash.rb
intercom-3.3.0	lib/ext/sliceable_hash.rb
intercom-3.2.0	lib/ext/sliceable_hash.rb
intercom-3.1.0	lib/ext/sliceable_hash.rb
intercom-3.0.6	lib/ext/sliceable_hash.rb
intercom-3.0.5	lib/ext/sliceable_hash.rb
intercom-3.0.4	lib/ext/sliceable_hash.rb
intercom-3.0.3	lib/ext/sliceable_hash.rb
intercom-3.0.2	lib/ext/sliceable_hash.rb