Class: Tb::Func::FirstN

Inherits:

Object

• Object
• Tb::Func::FirstN

Defined in:

lib/tb/func.rb

Instance Method Summary

• #aggregate(ary) ⇒ Object
• #call(a1, a2) ⇒ Object
• #initialize(n) ⇒ FirstN constructor

  A new instance of FirstN.

• #start(value) ⇒ Object

Constructor Details

#initialize(n) ⇒ FirstN

Returns a new instance of FirstN.

# File 'lib/tb/func.rb', line 120

def initialize(n) @n = n end

Instance Method Details

#aggregate(ary) ⇒ Object

# File 'lib/tb/func.rb', line 123

def aggregate(ary) ary end

#call(a1, a2) ⇒ Object

# File 'lib/tb/func.rb', line 122

def call(a1, a2) a1.length == @n ? a1 : (a1+a2).first(@n) end

#start(value) ⇒ Object

# File 'lib/tb/func.rb', line 121

def start(value) [value] end