todolist.txt

todolist:

1. function with first priority:
-done all  -return {'23423' => {'name' => 'haha', 'hp' => '23425'}, '234232' => {} }
-done ids  -return ['233423', '234134']
-done keys  -return ['name', 'hp']
-done first    -return: ['23423', {'name' => 'haha', 'hp' => '23425'}]

empty?
include? {|k, v| k == '2323232'}
-done find name: 'haha', hp: '2342'       -return ['234232', {'name' => 'haha', 'hp' => '23425'}]
find {|k, v| k == '23423423' && v['name'] != 'haha'}
find_all name: 'haha', hp: '2342'   -return [['234232', {'name' => 'haha', 'hp' => '23425'}], [], ...]
find_all {|k, v| k == '23423423' && v['name'] != 'haha'}
      -return [['234232', {'name' => 'haha', 'hp' => '23425'}], [], ...]
select {|k, v| k == '2232'}
merge


2. function with normal priority:
each_key; each_value; each_pair
all?  any?  one?  none? key?
collect {|k, v| k}    map inject reduce

3. function with low priority
sort sort_by

4. add delete feature. or not?  also merge!

5. changing equipment_strengthen.plist test to another. this one take 30M disk storage.