Make AtomicCell::is_lock_free always const fn #600
Merged
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if
expression can only be used in const fn since Rust 1.46, so constis_lock_free
was require Rust 1.46 (context: #531, #546).However, when we replace uses of
if
expression with|
and&
operators, it seemsis_lock_free
can be used as const fn even in Rust 1.36.r? @jeehoonkang or @Vtec234