PluckIt
Extract values from Enumerables
Install
gem install pluckit
Usage
require "pluckit"
# extract a field from a list of records
[
{ id: 1, name: "alice", age: 30},
{ id: 2, name: "bob", age: 24},
{ id: 3, name: "charlie", age: 88},
].pluck :name
=> [ "alice", "bob", "charlie" ]
# find max temp for each month
{
june: [ 78, 82, 80 ],
july: [ 80, 83, 86 ],
august: [ 80, 76, 79 ],
}.pluck :max
=> {
june: 82,
july: 86,
august: 80,
}