Sha256: 809bbc5b078427cdcc272873683868ba85835a7b4f576920daaed9e47a882172
Contents?: true
Size: 417 Bytes
Versions: 17
Compression:
Stored size: 417 Bytes
Contents
# frozen_string_literal: true
class ReeArray::GroupBy
include Ree::FnDSL
fn :group_by
contract(
Or[ArrayOf[Any], Enumerable], Block => HashOf[Any, ArrayOf[Any]]
)
def call(list, &proc)
result = {}
list.each do |element|
key = yield(element)
if result.has_key?(key)
result[key] << element
else
result[key] = [element]
end
end
result
end
end
Version data entries
17 entries across 17 versions & 1 rubygems