Class: Locomotive::Steam::Adapters::Memory::Dataset::PrimaryKey

Inherits:

Object

Object
Locomotive::Steam::Adapters::Memory::Dataset::PrimaryKey

Defined in:: lib/locomotive/steam/adapters/memory/dataset.rb

Instance Method Summary collapse

#increment! {|@current += 1| ... } ⇒ Object
#initialize ⇒ PrimaryKey constructor

A new instance of PrimaryKey.

Constructor Details

#initialize ⇒ `PrimaryKey`

Returns a new instance of PrimaryKey.



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# File 'lib/locomotive/steam/adapters/memory/dataset.rb', line 8

def initialize
  @current = 0
end

Instance Method Details

#increment! {|@current += 1| ... } ⇒ `Object`

Yields:

(@current += 1)

# File 'lib/locomotive/steam/adapters/memory/dataset.rb', line 12

def increment!
  yield(@current += 1)
  @current
end