Class: Functo

Inherits:
Module
  • Object
show all
Defined in:
lib/functo.rb,
lib/functo/version.rb

Constant Summary collapse

MAX_ARGUMENTS = 
3
PASS = 
'__FUNCTO_PASS__'.freeze
VERSION = 
"0.1.3"

Class Method Summary collapse

Class Method Details

.call(*names) ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/functo.rb', line 24

def self.call(*names)
  output = names.shift

  if names.first.is_a?(Hash)
    inputs = names.first
    filters = inputs.values
    names = inputs.keys
  else
    filters = [pass] * names.length
  end

  if names.length > MAX_ARGUMENTS
    raise ArgumentError.new("given #{names.length} arguments when only #{MAX_ARGUMENTS} are allowed")
  end

  new(names, filters, output)
end

.pass ⇒ Object 



20
21
22
 
# File 'lib/functo.rb', line 20

def self.pass
  PASS
end

.wrap(obj) ⇒ Object 



9
10
11
12
13
14
15
16
17
18
 
# File 'lib/functo.rb', line 9

def self.wrap(obj)
  klass = Class.new

  klass.define_singleton_method :call do |*args|
    obj.call(*args)
  end

  klass.extend(ClassMethods)
  klass
end