diff options
| -rw-r--r-- | doc/manual/expressions/language-constructs.xml | 18 | ||||
| -rw-r--r-- | doc/manual/expressions/language-values.xml | 17 |
2 files changed, 17 insertions, 18 deletions
diff --git a/doc/manual/expressions/language-constructs.xml b/doc/manual/expressions/language-constructs.xml index 7535e64ea9..fe69dba837 100644 --- a/doc/manual/expressions/language-constructs.xml +++ b/doc/manual/expressions/language-constructs.xml @@ -202,24 +202,6 @@ in concat { x = "foo"; y = "bar"; }</programlisting> </para> -<para>A set that has a <literal>__functor</literal> attribute whose value -is callable (i.e. is itself a function or a set with a -<literal>__functor</literal> attribute whose value is callable) can be -applied as if it were a function, with the set itself passed in first -, e.g., - -<programlisting> -let add = { __functor = self: x: x + self.x; }; - inc = add // { x = 1; }; -in inc 1 -</programlisting> - -evaluates to <literal>2</literal>. This can be used to attach metadata to a -function without the caller needing to treat it specially, or to implement -a form of object-oriented programming, for example. - -</para> - </simplesect> diff --git a/doc/manual/expressions/language-values.xml b/doc/manual/expressions/language-values.xml index f1174ecb5d..b90baac505 100644 --- a/doc/manual/expressions/language-values.xml +++ b/doc/manual/expressions/language-values.xml @@ -276,6 +276,23 @@ added to the set: This will evaluate to <literal>{}</literal> if <literal>foo</literal> evaluates to <literal>false</literal>.</para> +<para>A set that has a <literal>__functor</literal> attribute whose value +is callable (i.e. is itself a function or a set with a +<literal>__functor</literal> attribute whose value is callable) can be +applied as if it were a function, with the set itself passed in first +, e.g., + +<programlisting> +let add = { __functor = self: x: x + self.x; }; + inc = add // { x = 1; }; +in inc 1 +</programlisting> + +evaluates to <literal>2</literal>. This can be used to attach metadata to a +function without the caller needing to treat it specially, or to implement +a form of object-oriented programming, for example. + +</para> </simplesect> |