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LockSuggestion

Enum LockSuggestion 

Source
pub enum LockSuggestion {
    UseAtomic {
        field: String,
        current_type: Option<String>,
        suggested_type: String,
        line: u32,
    },
    SplitLock {
        lock_name: String,
        suggested_splits: Vec<(String, String)>,
        line: u32,
    },
    ReduceScope {
        guard_name: String,
        current_span: (u32, u32),
        suggested_span: (u32, u32),
        reason: String,
    },
    UseRwLock {
        lock_name: String,
        read_count: usize,
        write_count: usize,
        line: u32,
    },
    LockAcrossAwait {
        guard_name: String,
        lock_line: u32,
        await_line: u32,
    },
    RemoveLock {
        lock_name: String,
        reason: String,
        line: u32,
    },
}
Expand description

Suggestion for lock optimization.

Variants§

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UseAtomic

Field can be extracted to atomic type.

Fields

§field: String

Field name.

§current_type: Option<String>

Current type (if known).

§suggested_type: String

Suggested atomic type.

§line: u32

Line reference.

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SplitLock

Lock can be split into multiple finer locks.

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§lock_name: String

Original lock variable.

§suggested_splits: Vec<(String, String)>

Fields that can be split. (field_name, suggested_wrapper)

§line: u32

Line reference.

§

ReduceScope

Critical section scope can be reduced.

Fields

§guard_name: String

Guard variable name.

§current_span: (u32, u32)

Current critical section lines.

§suggested_span: (u32, u32)

Suggested narrower span.

§reason: String

Reason for suggestion.

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UseRwLock

Mutex can be replaced with RwLock.

Fields

§lock_name: String

Lock variable name.

§read_count: usize

Number of read accesses.

§write_count: usize

Number of write accesses.

§line: u32

Line reference.

§

LockAcrossAwait

Lock is held across await point.

Fields

§guard_name: String

Guard variable name.

§lock_line: u32

Lock acquisition line.

§await_line: u32

Await point line.

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RemoveLock

Lock can be removed (data is thread-local).

Fields

§lock_name: String

Lock variable name.

§reason: String

Reason.

§line: u32

Line reference.

Implementations§

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impl LockSuggestion

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pub fn severity(&self) -> u8

Get the severity/priority of this suggestion (higher = more important).

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pub fn description(&self) -> String

Get a human-readable description.

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pub fn short_description(&self) -> String

Get a short description for the suggestion.

Trait Implementations§

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impl Clone for LockSuggestion

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fn clone(&self) -> LockSuggestion

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for LockSuggestion

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for LockSuggestion

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impl PartialEq for LockSuggestion

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fn eq(&self, other: &LockSuggestion) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for LockSuggestion

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.