Key Value Extensions for Array

A library of key-value operations

Resources

Install

• sudo gem install key_value_ext

Use

• require ‘key_value_ext’

Description

A key-value array is one with the structure [[key1, val2], [key2, [value2, value3, …]], … ].

This library provides the following functions

• map_key_value

• group_key_value

for creating key-value arrays from arrays and hashes, and

• keys

• values

• consolidate

• expand

• invert_key_value

• to_hash

for arrays that are key-value arrays

Usage

Good for laying out complex nested views and forms when group_by is not enough.

See the spec for examples.