is_var : term -> bool

SYNOPSIS

Tests a term to see if it is a variable.

DESCRIPTION

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

FAILURE CONDITIONS

Never fails.

EXAMPLE

  # is_var `x:bool`;;
  val it : bool = true
  # is_var `T`;;
  val it : bool = false

SEE ALSO

mk_var, dest_var, is_const, is_comb, is_abs.