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chore(turbo-tasks-backend): Use let instead of match for macro bindings
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bgw authored and sokra committed Oct 25, 2024
1 parent 5c43a3a commit 2447af7
Showing 1 changed file with 51 additions and 61 deletions.
112 changes: 51 additions & 61 deletions turbopack/crates/turbo-tasks-backend/src/backend/storage.rs
Original file line number Diff line number Diff line change
Expand Up @@ -469,58 +469,51 @@ macro_rules! update {
#[allow(unused_imports)]
use $crate::backend::operation::TaskGuard;
#[allow(unused_mut)]
match $update {
mut update => $task.update(&$crate::data::CachedDataItemKey::$key $input, |old| {
update(old.and_then(|old| {
if let $crate::data::CachedDataItemValue::$key { value } = old {
Some(value)
} else {
None
}
}))
.map(|new| $crate::data::CachedDataItemValue::$key { value: new })
})
}
let mut update = $update;
$task.update(&$crate::data::CachedDataItemKey::$key $input, |old| {
update(old.and_then(|old| {
if let $crate::data::CachedDataItemValue::$key { value } = old {
Some(value)
} else {
None
}
}))
.map(|new| $crate::data::CachedDataItemValue::$key { value: new })
})
}};
($task:ident, $key:ident, $update:expr) => {
$crate::backend::storage::update!($task, $key {}, $update)
};
}

macro_rules! update_ucount_and_get {
($task:ident, $key:ident $input:tt, -$update:expr) => {
match $update {
update => {
let mut value = 0;
$crate::backend::storage::update!($task, $key $input, |old: Option<_>| {
if let Some(old) = old {
value = old - update;
(value != 0).then_some(value)
} else {
None
}
});
value
($task:ident, $key:ident $input:tt, -$update:expr) => {{
let update = $update;
let mut value = 0;
$crate::backend::storage::update!($task, $key $input, |old: Option<_>| {
if let Some(old) = old {
value = old - update;
(value != 0).then_some(value)
} else {
None
}
}
};
($task:ident, $key:ident $input:tt, $update:expr) => {
match $update {
update => {
let mut value = 0;
$crate::backend::storage::update!($task, $key $input, |old: Option<_>| {
if let Some(old) = old {
value = old + update;
(value != 0).then_some(value)
} else {
value = update;
(update != 0).then_some(update)
}
});
value
});
value
}};
($task:ident, $key:ident $input:tt, $update:expr) => {{
let update = $update;
let mut value = 0;
$crate::backend::storage::update!($task, $key $input, |old: Option<_>| {
if let Some(old) = old {
value = old + update;
(value != 0).then_some(value)
} else {
value = update;
(update != 0).then_some(update)
}
}
};
});
value
}};
($task:ident, $key:ident, -$update:expr) => {
$crate::backend::storage::update_ucount_and_get!($task, $key {}, -$update)
};
Expand All @@ -530,25 +523,22 @@ macro_rules! update_ucount_and_get {
}

macro_rules! update_count {
($task:ident, $key:ident $input:tt, -$update:expr) => {
match $update {
update => {
let mut state_change = false;
$crate::backend::storage::update!($task, $key $input, |old: Option<_>| {
#[allow(unused_comparisons, reason = "type of update might be unsigned, where update < 0 is always false")]
if let Some(old) = old {
let new = old - update;
state_change = old <= 0 && new > 0 || old > 0 && new <= 0;
(new != 0).then_some(new)
} else {
state_change = update < 0;
(update != 0).then_some(-update)
}
});
state_change
($task:ident, $key:ident $input:tt, -$update:expr) => {{
let update = $update;
let mut state_change = false;
$crate::backend::storage::update!($task, $key $input, |old: Option<_>| {
#[allow(unused_comparisons, reason = "type of update might be unsigned, where update < 0 is always false")]
if let Some(old) = old {
let new = old - update;
state_change = old <= 0 && new > 0 || old > 0 && new <= 0;
(new != 0).then_some(new)
} else {
state_change = update < 0;
(update != 0).then_some(-update)
}
}
};
});
state_change
}};
($task:ident, $key:ident $input:tt, $update:expr) => {
match $update {
update => {
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