Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/redisrank/core_ext/hash.rb

Instance Method Summary collapse

Instance Method Details

#merge_to_max(key, value) ⇒ Object 



3
4
5
6
7
8
9
10
 
# File 'lib/redisrank/core_ext/hash.rb', line 3

def merge_to_max(key, value)
  return false unless value.is_a?(Numeric)
  self[key] = 0 unless self.has_key?(key)
  return false unless self[key].is_a?(Numeric)
  return false unless self[key] < value
  self[key] = value
  true
end

#merge_to_max!(hash) ⇒ Object

Raises:

  • (ArgumentError) 


12
13
14
15
16
17
18
 
# File 'lib/redisrank/core_ext/hash.rb', line 12

def merge_to_max!(hash)
  raise ArgumentError unless hash.is_a?(Hash)
  hash.each do |key, value|
    self[key] = value unless (self[key] || 0) > value
  end
  self
end