x a)', so brackets</span></i>
<i><span style='color:#898887;'>   are often necessary. There is no difference between {} and () except visual.</span></i>
<i><span style='color:#898887;'>   There is a second form of lambda-expression: \x . (dot after \x) which extends</span></i>
<i><span style='color:#898887;'>   as far right as possible for an expression (see the grammar). */</span></i>

{

<b><span style='color:#000000;'>let</span></b> <b><span style='color:#802811;'>o</span></b> = \f \g \x <b><span style='