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Diffstat (limited to 'doc/sphinx/language/gallina-specification-language.rst')
| -rw-r--r-- | doc/sphinx/language/gallina-specification-language.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/sphinx/language/gallina-specification-language.rst b/doc/sphinx/language/gallina-specification-language.rst index 09090ce89a..7ce4538a4d 100644 --- a/doc/sphinx/language/gallina-specification-language.rst +++ b/doc/sphinx/language/gallina-specification-language.rst @@ -1063,6 +1063,18 @@ Parameterized inductive types | cons3 : A -> list3 -> list3. End list3. + For finer control, you can use a ``|`` between the uniform and + the non-uniform parameters: + + .. coqtop:: in reset + + Inductive Acc {A:Type} (R:A->A->Prop) | (x:A) : Prop + := Acc_in : (forall y, R y x -> Acc y) -> Acc x. + + The flag can then be seen as deciding whether the ``|`` is at the + beginning (when the flag is unset) or at the end (when it is set) + of the parameters when not explicitly given. + .. seealso:: Section :ref:`inductive-definitions` and the :tacn:`induction` tactic. |