Bug 218846

Summary: [JSC] Allow Symbols as keys of WeakMap / WeakSet
Product: WebKit Reporter: Yusuke Suzuki <ysuzuki>
Component: JavaScriptCoreAssignee: Yusuke Suzuki <ysuzuki>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: rob.palmer2, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Yusuke Suzuki 2020-11-12 02:49:38 PST
https://github.com/tc39/ecma262/pull/2038
Comment 1 Radar WebKit Bug Importer 2020-11-19 02:50:14 PST
<rdar://problem/71580669>
Comment 2 Rob Palmer 2022-09-17 08:41:29 PDT
The "Symbols as WeakMap keys" proposal achieved Stage 3 in the June 2022 TC39 meeting:
  https://github.com/tc39/notes/blob/main/meetings/2022-06/jun-07.md#symbols-as-weakmap-keys

The V8 implementation can be seen here:
  https://chromium-review.googlesource.com/c/v8/v8/+/3865056
Comment 3 Yusuke Suzuki 2022-09-17 08:57:13 PDT
It is already implemented one month ago.
Comment 4 Yusuke Suzuki 2022-09-17 08:57:17 PDT

*** This bug has been marked as a duplicate of bug 243483 ***