Module: Magick::Lists

Defined in:

lib/magick/lists.rb

Class Method Summary

• .car ⇒ Object
• .cdr ⇒ Object
• .cons ⇒ Object
• .is_empty ⇒ Object

Class Method Details

.car ⇒ Object

# File 'lib/magick/lists.rb', line 4

def car = ->(list){ list.first }

.cdr ⇒ Object

# File 'lib/magick/lists.rb', line 6

def cdr = ->(list){ list.drop(1) }

.cons ⇒ Object

# File 'lib/magick/lists.rb', line 8

def cons = ->(el){ ->(list) { [el] + list }}

.is_empty ⇒ Object

# File 'lib/magick/lists.rb', line 10

def is_empty = ->(list) { list.empty? }