unboxed-ref-0.4.0.0: ChangeLog.md
# Revision history for unboxed-ref ## 0.4.0.0 -- 2017-07-17 * Add atomic operations which return old value, which is useful for building concurrent control structures.
# Revision history for unboxed-ref ## 0.4.0.0 -- 2017-07-17 * Add atomic operations which return old value, which is useful for building concurrent control structures.