https://issues.dlang.org/show_bug.cgi?id=20122
Issue ID: 20122 Summary: core.atomic.cas discards result on failure Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P1 Component: druntime Assignee: nob...@puremagic.com Reporter: turkey...@gmail.com The implementation of `cas` discards the result when the compare fails. This is a strange choice, and not desirable. There needs to be additional overloads that actually return the result. --