class TZInfo::StringDeduper

:nodoc:
@private
either a pooled copy of a given ‘String` or add the instance to the pool.
Maintains a pool of `String` instances. The {#dedupe} method will return

def create_hash(&block)

Returns:
  • (Hash) - a `Hash` to store pooled `String` instances.

Parameters:
  • block (Proc) -- Default value block to be passed to `Hash.new`. 
def create_hash(&block)
  Hash.new(&block)
end

def dedupe(string)

Returns:
  • (bool) - `string` if it is frozen, otherwise a frozen, possibly

Parameters:
  • string (String) -- the string to deduplicate. 
def dedupe(string)
  return string if string.frozen?
  @strings[string]
end

def initialize

Initializes a new {StringDeduper}. 
def initialize
  @strings = create_hash do |h, k|
    v = k.dup.freeze
    h[v] = v
  end
end