Commit 7772ceb8 by POTTIER Francois

Fixed comments about [lookup].

parent b47d2fad
......@@ -18,9 +18,9 @@ type ('bn, 'term) abs =
define where the environment is enriched. *)
(* These methods do not know the type of the environment, and do not know how
it is enriched or looked up; the latter task is delegated to the virtual
methods [extend] and [lookup]. The implementation of these methods is
provided by separate ``kits''. *)
it is enriched; the latter task is delegated to the virtual method
[extend]. The implementation of this method is provided by separate
``kits''. *)
(* We need several varieties of visitors, which is a bit painful. As of now,
[iter], [map], [endo], [iter2] are required: see [ToolboxInput]. *)
......@@ -30,9 +30,9 @@ type ('bn, 'term) abs =
construct in a single type definition and still be able to construct
well-typed visitors. *)
(* The virtual methods [extend] and [lookup] are not polymorphic in the types
of bound names and environments. On the contrary, each kit comes with
certain specific types of bound names and environments. *)
(* The virtual method [extend] is not polymorphic in the types of bound names
and environments. On the contrary, each kit comes with certain specific
types of bound names and environments. *)
(* -------------------------------------------------------------------------- *)
......
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