Class: Racket::Misc::OrderedHash

Inherits:
Hash
  • Object
show all
Defined in:
lib/racket/misc/orderedhash.rb

Overview

members around

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OrderedHash

Returns a new instance of OrderedHash.



35
36
37
 
# File 'lib/racket/misc/orderedhash.rb', line 35

def initialize
  @keys = []
end

Instance Method Details

#[]=(key, val) ⇒ Object 



39
40
41
42
 
# File 'lib/racket/misc/orderedhash.rb', line 39

def []=(key, val)
  @keys << key unless (self[key])
  super
end

#delete(key) ⇒ Object 



44
45
46
47
 
# File 'lib/racket/misc/orderedhash.rb', line 44

def delete(key)
  @keys.delete(key)
  super
end

#each ⇒ Object 



49
50
51
 
# File 'lib/racket/misc/orderedhash.rb', line 49

def each
  @keys.each { |k| yield k, self[k] }
end

#each_key ⇒ Object 



53
54
55
 
# File 'lib/racket/misc/orderedhash.rb', line 53

def each_key
  @keys.each { |k| yield k }
end

#each_value ⇒ Object 



57
58
59
 
# File 'lib/racket/misc/orderedhash.rb', line 57

def each_value
  @keys.each { |k| yield self[k] }
end