Module: Curio::Methods

Extended by:
Forwardable
Defined in:
lib/curio.rb

Overview

The collection methods

Instance Method Summary collapse

Instance Method Details

#[](key) ⇒ object

Get an item from the collection



165
166
167
 
# File 'lib/curio.rb', line 165

def [](key)
  fetch key, nil
end

#add(item) ⇒ self Also known as: <<

Add an item to the collection



134
135
136
137
138
 
# File 'lib/curio.rb', line 134

def add(item)
  key = coerce_key item.send(key_method)
  @map[key.freeze] = item
  self
end

#fetch(key, *args) {|undefined| ... } ⇒ object

Fetch an item from the collection

Yields:

  • (undefined) 


151
152
153
154
155
156
 
# File 'lib/curio.rb', line 151

def fetch(key, *args, &block)
  args.unshift coerce_key(key)
  @map.fetch(*args, &block)
rescue KeyError
  raise NotFoundError, key
end

#freeze ⇒ self

Freeze map and items



206
207
208
209
210
 
# File 'lib/curio.rb', line 206

def freeze
  @map.values.each(&:freeze)
  @map.freeze
  super
end

#initialize ⇒ undefined

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Setup the map and call parent initializer



112
113
114
115
 
# File 'lib/curio.rb', line 112

def initialize(*)
  @map = { }
  super
end

#key?(key) ⇒ Boolean Also known as: has?

Check if collection has an item with specified key



176
177
178
 
# File 'lib/curio.rb', line 176

def key?(key)
  @map.key? coerce_key(key)
end

#map=(hash) ⇒ Hash

Set map source



197
198
199
 
# File 'lib/curio.rb', line 197

def map=(hash)
  @map = hash
end

#to_h ⇒ Hash

Returns a hash representation of the collection



186
187
188
 
# File 'lib/curio.rb', line 186

def to_h
  @map
end

#values ⇒ Array Also known as: all

Get all the items in collection



98
 
# File 'lib/curio.rb', line 98

def_delegators :values, :each