73 lines
2.9 KiB
Markdown
73 lines
2.9 KiB
Markdown
# memoise 2.0.1
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# Version 2.0.0.9000
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* Winston Chang is now the maintainer.
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* The default value for the `hash` argument of `memoise()` is now
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taken with an indirection in case `memoise()` is called at the
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top-level of a namespace (r-lib/rlang#1177).
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* Fixed a bug in `has_cache()` that caused it to get the value unnecessarily. (#123)
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# Version 2.0.0
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* Memoise now uses caching objects from the cachem package by default. These caches support automatic pruning, so that they won't grow indefinitely. The older-style cache objects in the memoise package are still supported, but we suggest using new-style caches from cachem. (#115)
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* Name clashes between function arguments and variables defined when memoising
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no longer occur (@egnha, #43).
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* Add Google Cloud Storage support via `cache_gcs()` (@MarkEdmondson1234, #59)
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* Add `compress` option for non-memory caches (@coolbutuseless, #71).
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* Use absolute path in cache file system backend, so user can change working
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directory after using relative path (@xhdong-umd, #51, #65)
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* Add `drop_cache()` to drop the cached result for particular arguments
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(@richardkunze, #78)
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* Suppress messages of `aws.s3::head_object` within `cache_s3`'s `cache_has_key`
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to avoid printing of 404 messages for new keys (@stelsemeyer, #96).
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# Version 1.1.0
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* Caches now hash the function body along with the arguments, to ensure
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functions with identical arguments use a separate file-system cache. (#38)
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* Handle missing arguments in memoised functions for simple cases not using
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non-standard-evaluation (#19).
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* `memoise()` gains a `cache=` argument to specify an external cache. Two types
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of caches are available, `cache_s3()` for amazon S3 and
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`cache_filesystem()` for a file system cache (#25, @danielecook).
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# Version 1.0.0
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* `memoise()` now signals an error if an already memoised function is used as
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input (#4, @richierocks).
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* `has_cache()` function added which returns a boolean depending on if the
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given call is cached or not (#10, @dkesh).
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* Memoised functions now have a print method which displays the original
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function definition, rather than the memoisation code (#15, @jimhester).
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* A memoised function now has the same interface as the original function,
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if the original function is known when `memoise` is called. (Otherwise,
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the old behavior is invoked, with a warning.) (#14, @krlmlr)
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* The enclosing environment of the memoised function is specified explicitly,
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defaults to `parent.frame()`.
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* `is.memoised` now checks if the argument is a function.
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* Testing infrastructure, full test coverage.
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# Version 0.2.1
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* Update to fix outstanding R CMD check issues.
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# Version 0.2 (2010-11-11)
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## New features
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* Memoised functions now have an attribute memoised=TRUE, and
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is.memoised() tests whether a function is memoised. (Contributed by
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Sietse Brouwer.)
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## Improvements
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* Documentation is now more elaborate, and hopefully more accessible to
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newcomers. Thanks to Sietse Brouwer for the verbosity.
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