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firmware: assume empty config records as removed (#2064) 

This will return `KeyNotFound` for empty values, which are produced by `remove` operation

Signed-off-by: Egor Savkin <es@m-labs.hk>
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Egor Savkin 2023-03-13 18:18:26 +08:00 committed by GitHub
parent 1ca09b9484
commit bbf80875fb
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artiq/firmware/libboard_misoc/config.rs
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@ -163,7 +163,7 @@ mod imp {
while let Some(result) = iter.next() { while let Some(result) = iter.next() {
let (record_key, record_value) = result?; let (record_key, record_value) = result?;
if key.as_bytes() == record_key { if key.as_bytes() == record_key {
found = true; found = !record_value.is_empty();
// last write wins // last write wins
value = record_value value = record_value
} }