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sync/atomic: document why not Int16

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Fixes golang/go#78781

Change-Id: I8363c57155bccb2a5304d44cfa130e0d9315742b
Reviewed-on: https://go-review.googlesource.com/c/go/+/767940
Reviewed-by: Damien Neil <dneil@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Alan Donovan 2026-04-16 13:33:10 -04:00
parent 891f4a8711
commit 0af7dbf1e6
1 changed files with 4 additions and 0 deletions
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4
src/sync/atomic/doc.go
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@ -45,6 +45,10 @@
// This definition provides the same semantics as
// C++'s sequentially consistent atomics and Java's volatile variables.
//
// Only a few integer sizes are supported: on many architectures,
// atomic operations on non-word-sized integers are inefficient or
// infeasible. For example, a [Bool] may be larger than a built-in bool.
//
// [the Go memory model]: https://go.dev/ref/mem
package atomic