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| -rw-r--r-- | doc/sphinx/user-extensions/syntax-extensions.rst | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/doc/sphinx/user-extensions/syntax-extensions.rst b/doc/sphinx/user-extensions/syntax-extensions.rst index 3710c0af9d..06259e4db0 100644 --- a/doc/sphinx/user-extensions/syntax-extensions.rst +++ b/doc/sphinx/user-extensions/syntax-extensions.rst @@ -1141,10 +1141,10 @@ Binding types of arguments to an interpretation scope When an interpretation scope is naturally associated to a type (e.g. the scope of operations on the natural numbers), it may be convenient to bind it - to this type. When a scope ``scope`` is bound to a type ``type``, any new function - defined later on gets its arguments of type ``type`` interpreted by default in - scope ``scope`` (this default behavior can however be overwritten by explicitly - using the command :cmd:`Arguments <Arguments (scopes)>`). + to this type. When a scope :token:`scope` is bound to a type :token:`type`, any function + gets its arguments of type :token:`type` interpreted by default in scope :token:`scope` + (this default behavior can however be overwritten by explicitly using the + command :cmd:`Arguments <Arguments (scopes)>`). Whether the argument of a function has some type ``type`` is determined statically. For instance, if ``f`` is a polymorphic function of type @@ -1172,6 +1172,11 @@ Binding types of arguments to an interpretation scope Check (fun x y1 y2 z t => P _ (x + t) ((f _ (y1 + y2) + z))). + .. note:: When active, a bound scope has effect on all defined functions + (even if they are defined after the :cmd:`Bind Scope` directive), except + if argument scopes were assigned explicitly using the + :cmd:`Arguments <Arguments (scopes)>` command. + .. note:: The scopes ``type_scope`` and ``function_scope`` also have a local effect on interpretation. See the next section. |