Method: BOAST::If#initialize

Defined in:
lib/BOAST/Language/If.rb

#initialize(condition, &block) ⇒ If #initialize(conditions, &block) ⇒ If

Creates a new instance of the If construct

Overloads:

  • #initialize(condition, &block) ⇒ If

    Creates a simple If construct

    Parameters:

    • condition (Expression)
    • block (Proc, nil) —

      if given, will be evaluated when #pr is called

  • #initialize(conditions, &block) ⇒ If

    Creates a multi-condition If construct

    Parameters:

    • conditions (Hash{Expression, :else => Proc}) —

      each condition and its associated block (can be nil)

    • block (Proc, nil) —

      else block if :else is not specified in the conditions or nil



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# File 'lib/BOAST/Language/If.rb', line 17

def initialize(conditions, &block)
  super()
  @conditions = []
  @blocks = []
  if conditions.is_a?(Hash) then
    else_block = conditions.delete(:else)
    else_block = block unless else_block or not block
    conditions.each { |key, value|
      @conditions.push key
      @blocks.push value
    }
    @blocks.push else_block if else_block
  else
    @conditions.push conditions
    @blocks.push block if block
  end
end