feat!(atomic,value,gauge): return old value on increment #558
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Welcome @lajp! It looks like this is your first PR to tikv/rust-prometheus 🎉 |
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Signed-off-by: Luukas Pörtfors <[email protected]>
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It would be useful if the
addandsubfunctions onGaugewould return the old value. Alternatively (and perhaps ideally), an API could be exposed to access the underlying atomic type from std.This is a BREAKING CHANGE, let me know what you think.