diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/refman/Classes.tex | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/doc/refman/Classes.tex b/doc/refman/Classes.tex index 58ae7191f8..7c4bd4d201 100644 --- a/doc/refman/Classes.tex +++ b/doc/refman/Classes.tex @@ -392,13 +392,12 @@ than {\tt eauto} and {\tt auto}. The main differences are the following: backtracking on subgoals that are entirely independent. \item When called with no arguments, {\tt typeclasses eauto} uses the {\tt typeclass\_instances} database by default (instead of {\tt core}) - and will try to solve \emph{only} typeclass goals. If some subgoal of - a hint/instance is non-dependent and not of class type, that hint - application will fail. Dependent subgoals are automatically shelved - and \emph{must be} resolved entirely when the other typeclass subgoals - are resolved or the proof search will fail \emph{globally}, - \emph{without} the possibility to find another complete solution with - no shelved subgoals. + and will try to solve \emph{only} typeclass goals, shelving the other + goals. If some subgoal of a hint/instance is non-dependent and not of + class type, the hint application will fail when faced with that + subgoal. Dependent subgoals are automatically shelved, and shelved + goals can remain after resolution ends (following the behavior of + \Coq{} 8.5). \emph{Note: } As of Coq 8.6, {\tt all:once (typeclasses eauto)} faithfully mimicks what happens during typeclass resolution when it is |