(leaving the parent to evaluate the other branch). Also, we must use
<function>seq</function> to ensure that the parent will evaluate
<varname>n2</varname> <emphasis>before</emphasis> <varname>n1</varname>
(leaving the parent to evaluate the other branch). Also, we must use
<function>seq</function> to ensure that the parent will evaluate
<varname>n2</varname> <emphasis>before</emphasis> <varname>n1</varname>