diff options
| author | Pierre-Marie Pédrot | 2020-05-08 12:25:16 +0200 |
|---|---|---|
| committer | Pierre-Marie Pédrot | 2020-05-08 12:25:16 +0200 |
| commit | 8c13e5b6fe8ddb6bb78bfbe47a9ec190ec377872 (patch) | |
| tree | 1960c8e413a219e1b002ce963f3a40bae57e62d1 /doc | |
| parent | e4bfbdfc4b4944d6e6d702eb732bce24f962e67f (diff) | |
| parent | d14a43f7acb982b054185545b5c02820244fc240 (diff) | |
Merge PR #12121: Fixes #11903 and warns about non truly-recursive (co)fixpoints
Ack-by: Zimmi48
Reviewed-by: ppedrot
Diffstat (limited to 'doc')
3 files changed, 11 insertions, 1 deletions
diff --git a/doc/changelog/02-specification-language/12121-master+fix11903-warn-non-truly-fixpoint.rst b/doc/changelog/02-specification-language/12121-master+fix11903-warn-non-truly-fixpoint.rst new file mode 100644 index 0000000000..d69a94205f --- /dev/null +++ b/doc/changelog/02-specification-language/12121-master+fix11903-warn-non-truly-fixpoint.rst @@ -0,0 +1,5 @@ +- **Added:** + New warning on using :cmd:`Fixpoint` or :cmd:`CoFixpoint` for + definitions which are not recursive + (`#12121 <https://github.com/coq/coq/pull/12121>`_, + by Hugo Herbelin) diff --git a/doc/changelog/10-standard-library/12121-master+fix11903-warn-non-truly-fixpoint.rst b/doc/changelog/10-standard-library/12121-master+fix11903-warn-non-truly-fixpoint.rst new file mode 100644 index 0000000000..f22fff0736 --- /dev/null +++ b/doc/changelog/10-standard-library/12121-master+fix11903-warn-non-truly-fixpoint.rst @@ -0,0 +1,5 @@ +- **Fixed:** + :cmd:`Fixpoint`\s of the standard library without a recursive call turned + into ordinary :cmd:`Definition`\s + (`#12121 <https://github.com/coq/coq/pull/12121>`_, + by Hugo Herbelin; fixes `#11903 <https://github.com/coq/coq/pull/11903>`_). diff --git a/doc/sphinx/proof-engine/ssreflect-proof-language.rst b/doc/sphinx/proof-engine/ssreflect-proof-language.rst index 28c5359a04..4be18ccda9 100644 --- a/doc/sphinx/proof-engine/ssreflect-proof-language.rst +++ b/doc/sphinx/proof-engine/ssreflect-proof-language.rst @@ -286,7 +286,7 @@ example, the null and all list function(al)s can be defined as follows: .. coqtop:: all Variable d: Set. - Fixpoint null (s : list d) := + Definition null (s : list d) := if s is nil then true else false. Variable a : d -> bool. Fixpoint all (s : list d) : bool := |