class Puppet::Parser::AST::InOperator

Attributes

lval[RW]

rval[RW]

Public Instance Methods

evaluate(scope) click to toggle source

Returns a boolean which is the result of the ‘in’ operation of lval and rval operands

# File lib/puppet/parser/ast/in_operator.rb, line 11
def evaluate(scope)

  # evaluate the operands, should return a boolean value
  lval = @lval.safeevaluate(scope)
  raise ArgumentError, "'#{lval}' from left operand of 'in' expression is not a string" unless lval.is_a?(::String)

  rval = @rval.safeevaluate(scope)
  unless rval.respond_to?(:include?)
    raise ArgumentError, "'#{rval}' from right operand of 'in' expression is not of a supported type (string, array or hash)"
  end
  rval.include?(lval)
end