it : 'a

SYNOPSIS

Binds the value of the last expression evaluated at top level.

DESCRIPTION

The identifier it is bound to the value of the last expression evaluated at top level. Declarations do not effect the value of it.

EXAMPLE

  # 2 + 3;;
  val it : int = 5
  # let x = 2*3;;
  val x : int = 6
  # it;;
  val it : int = 5
  # it + 12;;
  val it : int = 17

USES

Used in evaluating expressions that require the value of the last evaluated expression.