Class: Prefab::FixedSizeHash

Inherits:

Hash

• Object
• Hash
• Prefab::FixedSizeHash

Defined in:

lib/prefab/fixed_size_hash.rb

Instance Method Summary

• #[]=(key, value) ⇒ Object
• #initialize(max_size) ⇒ FixedSizeHash constructor

  A new instance of FixedSizeHash.

Constructor Details

#initialize(max_size) ⇒ FixedSizeHash

Returns a new instance of FixedSizeHash.

# File 'lib/prefab/fixed_size_hash.rb', line 4

def initialize(max_size)
  @max_size = max_size
  super()
end

Instance Method Details

#[]=(key, value) ⇒ Object

# File 'lib/prefab/fixed_size_hash.rb', line 9

def []=(key, value)
  shift if size >= @max_size && !key?(key) # Only evict if adding a new key
  super
end