diff options
Diffstat (limited to 'doc/manual/expressions/builtins.xml')
| -rw-r--r-- | doc/manual/expressions/builtins.xml | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/doc/manual/expressions/builtins.xml b/doc/manual/expressions/builtins.xml index 063bc04be483..e9baff65961a 100644 --- a/doc/manual/expressions/builtins.xml +++ b/doc/manual/expressions/builtins.xml @@ -1023,10 +1023,17 @@ in foo</programlisting> <listitem><para>Convert the expression <replaceable>e</replaceable> to a string. - <replaceable>e</replaceable> can be a string (in which case - <function>toString</function> is a no-op), a path (e.g., - <literal>toString /foo/bar</literal> yields - <literal>"/foo/bar"</literal> or a set containing <literal>{ __toString = self: ...; }</literal>.</para></listitem> + <replaceable>e</replaceable> can be:</para> + <itemizedlist> + <listitem><para>A string (in which case the string is returned unmodified).</para></listitem> + <listitem><para>A path (e.g., <literal>toString /foo/bar</literal> yields <literal>"/foo/bar"</literal>.</para></listitem> + <listitem><para>A set containing <literal>{ __toString = self: ...; }</literal>.</para></listitem> + <listitem><para>An integer.</para></listitem> + <listitem><para>A list, in which case the string representations of its elements are joined with spaces.</para></listitem> + <listitem><para>A Boolean (<literal>false</literal> yields <literal>""</literal>, <literal>true</literal> yields <literal>"1"</literal>.</para></listitem> + <listitem><para><literal>null</literal>, which yields the empty string.</para></listitem> + </itemizedlist> + </listitem> </varlistentry> |