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| author | Michael Anthony Knyszek <mknyszek@google.com> | 2024-04-04 04:51:24 +0000 |
|---|---|---|
| committer | Michael Knyszek <mknyszek@google.com> | 2024-04-22 18:14:07 +0000 |
| commit | a088e230d4e7892b15851babe161bbd1766738a1 (patch) | |
| tree | b42bda131142e51a16e6327bb505849a4e60d474 /doc | |
| parent | 654c3368e53c923acff5fd5a1eaf4175bb6834d6 (diff) | |
| download | go-a088e230d4e7892b15851babe161bbd1766738a1.tar.gz go-a088e230d4e7892b15851babe161bbd1766738a1.zip | |
unique: add unique package and implement Make/Handle
This change adds the unique package for canonicalizing values, as
described by the proposal in #62483.
Fixes #62483.
Change-Id: I1dc3d34ec12351cb4dc3838a8ea29a5368d59e99
Reviewed-on: https://go-review.googlesource.com/c/go/+/574355
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ingo Oeser <nightlyone@googlemail.com>
Reviewed-by: David Chase <drchase@google.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/next/6-stdlib/2-unique.md | 13 | ||||
| -rw-r--r-- | doc/next/6-stdlib/99-minor/unique/62483.md | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/doc/next/6-stdlib/2-unique.md b/doc/next/6-stdlib/2-unique.md new file mode 100644 index 0000000000..b2c3bdfd0d --- /dev/null +++ b/doc/next/6-stdlib/2-unique.md @@ -0,0 +1,13 @@ +### New unique package + +The new [unique](/pkg/unique) package provides facilites for +canonicalizing values (like "interning" or "hash-consing"). + +Any value of comparable type may be canonicalized with the new +`Make[T]` function, which produces a reference to a canonical copy of +the value in the form of a `Handle[T]`. +Two `Handle[T]` are equal if and only if the values used to produce the +handles are equal, allowing programs to deduplicate values and reduce +their memory footprint. +Comparing two `Handle[T]` values is efficient, reducing down to a simple +pointer comparison. diff --git a/doc/next/6-stdlib/99-minor/unique/62483.md b/doc/next/6-stdlib/99-minor/unique/62483.md new file mode 100644 index 0000000000..d281ab290e --- /dev/null +++ b/doc/next/6-stdlib/99-minor/unique/62483.md @@ -0,0 +1 @@ +<!-- This is a new package; covered in 6-stdlib/2-unique.md. --> |