Class: Gecode::Constraints::SimpleExpressionStub

Inherits:

ExpressionStub

• Object
• ExpressionStub
• Gecode::Constraints::SimpleExpressionStub

Includes:

LeftHandSideMethods

Defined in:

lib/gecoder/interface/constraints.rb

Overview

Describes an expression stub which includes left hand side methods and just sends models and parameters through a supplied block to construct the resulting expression.

Instance Method Summary

• #initialize(model, params, &block) ⇒ SimpleExpressionStub constructor

  The block provided is executed when the expression demanded by the left hand side methods is to be constructed.

Methods included from LeftHandSideMethods

#must, #must_not

Constructor Details

#initialize(model, params, &block) ⇒ SimpleExpressionStub

The block provided is executed when the expression demanded by the left hand side methods is to be constructed. The block should take two parameters: model and params (which have been updated with negate and so on). The block should return an expression.

# File 'lib/gecoder/interface/constraints.rb', line 348

def initialize(model, params, &block)
  super(model, params)
  @proc = block
end