Class: WAB::Impl::And

Inherits:

BoolExpr

• Object
• Expr
• BoolExpr
• WAB::Impl::And

Defined in:

lib/wab/impl/exprs/and.rb

Overview

A logical AND expression.

Instance Method Summary

• #eval(data) ⇒ Object
• #initialize(*args) ⇒ And constructor

  Create an AND expression with the provided arguments which must be instances of subclasses of the Expr class.

• #native ⇒ Object

Methods inherited from BoolExpr

#append_arg

Constructor Details

#initialize(*args) ⇒ And

Create an AND expression with the provided arguments which must be instances of subclasses of the Expr class.

args

argument to the AND expression

# File 'lib/wab/impl/exprs/and.rb', line 12

def initialize(*args)
  super
end

Instance Method Details

#eval(data) ⇒ Object

# File 'lib/wab/impl/exprs/and.rb', line 16

def eval(data)
  @args.each { |a|
    return false unless a.eval(data)
  }
  true
end

#native ⇒ Object

# File 'lib/wab/impl/exprs/and.rb', line 23

def native()
  @args.map(&:native).unshift('AND')
end