File: is_var.doc

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\DOC is_var

\TYPE {is_var : term -> bool}

\SYNOPSIS
Tests a term to see if it is a variable.

\DESCRIBE
{is_var `var:ty`} returns {true}. If the term is not a variable the result
is {false}.

\FAILURE
Never fails.

\EXAMPLE
{
  # is_var `x:bool`;;
  val it : bool = true
  # is_var `T`;;
  val it : bool = false
}

\SEEALSO
mk_var, dest_var, is_const, is_comb, is_abs.

\ENDDOC