class HashMap

Public Class Methods

new(&key_generator_prc) click to toggle source

# File lib/hash_map.rb, line 2
def initialize(&key_generator_prc)
  key_generator_prc ||= Proc.new { |val| val.hash }
  @cache = {}
  @key_generator_prc = key_generator_prc
end

Public Instance Methods

[](key) click to toggle source

# File lib/hash_map.rb, line 31
def [](key)
  @cache[key]
end

add(val) click to toggle source

# File lib/hash_map.rb, line 12
def add(val)
  key = create_key(val)
  @cache[key] = val
end

create_key(val) click to toggle source

# File lib/hash_map.rb, line 8
def create_key(val)
  @key_generator_prc.call(val)
end

each() { |key, value| ... } click to toggle source

# File lib/hash_map.rb, line 39
def each
  @cache.each { |key, value| yield key, value }
end

include?(val) click to toggle source

# File lib/hash_map.rb, line 26
def include?(val)
  key = create_key(val)
  @cache.include?(key)
end

length() click to toggle source

# File lib/hash_map.rb, line 35
def length
  @cache.length
end

remove(val) click to toggle source

# File lib/hash_map.rb, line 17
def remove(val)
  key = create_key(val)
  @cache.delete(key)
end

update(val) click to toggle source

# File lib/hash_map.rb, line 22
def update(val)
  add(val)
end