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Commit Graph

3 Commits

Author SHA1 Message Date
Ian Cottrell
11bbd741f5 internal/memoize: changes to only one handle per key
This is to remove the confusion around having only handles that have had Get
called pin the value into memory.
Instead now there is a single handle per key, and it is the handle that is
weakly held not the value.

Change-Id: I9e813a0dfe2adf4cb651af9b5cfc8878fa71c041
Reviewed-on: https://go-review.googlesource.com/c/tools/+/186839
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-09-17 14:40:27 +00:00
Rebecca Stambler
ecc01b7716 internal/memoize: document the complicated parts of the memoize package
This change is more of an exercise for myself to better understand the
implementation of the memoize package. It adds detailed documentation
for the get function in particular.

I also modified the tests to use a table-driven test format. I'm not
certain if this was the right approach (in case we want to add a
different type of test case in the future), but for now, it seems to
work fine.

Change-Id: I191a3b65af230e0af54b221c9f671582adec6c79
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181685
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-12 16:51:35 +00:00
Ian Cottrell
f8d1dee965 internal/memoize: a new library to memoize functions
This library holds onto results with a weak reference, and guarantees that for
as long as
a result has not been garbage collected it will return the same result for the
same key.

Change-Id: I4a4528f31bf8bbf18809cbffe95dc93e05d769fe
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180845
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-10 23:17:49 +00:00