New conflicts_prefer() to easily declare multiple
preferences at once:
conflicts_prefer(dplyr::filter, lubridate::week, ...)
(#82).
Disambiguation message now provides clickable preferences (#74).
Conflicts now take into account the include.only and
exclude arguments that you might have specified in
library() (#84).
conflict_prefer_all() and
conflict_prefer_matching() are now much faster. And when
losers is supplied, they only register the minimal
necessary number of conflicts.
New conflicted_prefer_all() and
conflicted_prefer_matching() to prefer functions en masse
(#51).
Improvements to conflict detection and resolution:
Reports conflicts involving lazy loaded datasets (#54).
Don’t report conflicts involving a standardGeneric
(#47).
Better handling of conflicts cleared by superset principle: if there is a conflict all functions (including any base functions) are reported, and if there isn’t a conflict, no packages are reported (instead of 1) (#47).
Don’t report conflict between a function and a non-function (#30).
Conflicts involving a primitive function no longer error (@nerskin, #46, #48).
Internal has_moved() function no longer fails when
it encounters a call to .Deprecated() with no arguments
(#29).
.conflicts environment is correctly removed and
replaced each time a new package is loaded (#28).
conflict_scout() reports all conflicts found with a
set of packages.
conflict_prefer() allows you to declare a persistent
preference (within a session) for one function over another
(#4).
conflicts now generally expects packages that override functions
in base packages to obey the “superset principle”, i.e. that
foo::bar(...) must return the same value of
base::bar(...) whenever the input is not an error. In other
words, if you override a base function you can only extend the API, not
change or reduce it.
There are two exceptions. If the arguments of the two functions are
not compatible (i.e. the function in the package doesn’t include all
arguments of the base package), conflicts can tell it doesn’t follow the
superset principle. Additionally, dplyr::lag() fails to
follow the superset principle, and is marked as a special case
(#2).
Functions that have moved between packages (i.e. functions with a
call to .Deprecated("pkg::foo")) as the first element of
the function body) will never generate conflicts.
conflicted now listens for detach() events and
removes conflicts that are removed by detaching a package (#5)
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