Class: Iolite::Statement::If

Inherits:
Object
  • Object
show all
Defined in:
lib/iolite/statement/if.rb

Instance Method Summary collapse

Constructor Details

#initialize(cond) ⇒ If

Returns a new instance of If.



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# File 'lib/iolite/statement/if.rb', line 24

def initialize cond
  @cond = cond
end

Instance Method Details

#[](*then_) ⇒ Object 



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# File 'lib/iolite/statement/if.rb', line 28

def [](*then_)
  if_then = Iolite::Lazy.new { |*args|
    if Iolite::Functinal.invoke(@cond, *args)
      Iolite::Functinal.invoke_a(then_, *args).last
    end
  }
  cond = @cond
  (class << if_then; self; end).class_eval {
    define_method(:else_) {
      IfThenElse.new cond, then_
    }
  }
  if_then
end