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Counter

Enum Counter

#[repr(u8)]pub enum Counter {
Show 56 variants    EvalExpr = 0,
    ForceValue = 1,
    ThunkForce = 2,
    ThunkHit = 3,
    Import = 4,
    ImportHit = 5,
    Apply = 6,
    Select = 7,
    Attrset = 8,
    EnvClone = 9,
    EnvLookup = 10,
    EnvLookupDepth = 11,
    ExprIdent = 12,
    ExprLiteral = 13,
    ExprStr = 14,
    ExprList = 15,
    ExprAttrs = 16,
    ExprSelect = 17,
    ExprApply = 18,
    ExprLetIn = 19,
    ExprIfElse = 20,
    ExprWith = 21,
    ExprLambda = 22,
    ExprOther = 23,
    DeadBindingsSkipped = 24,
    ExprBinOp = 25,
    ExprHasAttr = 26,
    ExprUnaryOp = 27,
    ExprAssert = 28,
    ExprPath = 29,
    OverlayFlattenAttempt = 30,
    OverlayFlattenBuild = 31,
    OverlayFlattenEntries = 32,
    OverlayCreated = 33,
    SortedEntriesCalls = 34,
    SortedEntriesRows = 35,
    ListConcatCalls = 36,
    ListConcatElemsCopied = 37,
    ListConcatElemsReused = 38,
    AttrsEqStructuralCalls = 39,
    AttrsEqEntriesCloneElided = 40,
    WithScopeCacheClone = 41,
    SlashDeferredTailClone = 42,
    ThunkStoreWrites = 43,
    ThunkStoreLoopMutated = 44,
    ThunkStoreRedundant = 45,
    SelfRecWalkCalls = 46,
    SelfRecWalkNodes = 47,
    ThunkSiteMaybeOther = 48,
    ThunkSiteApplyArg = 49,
    ThunkSiteMaybeIdent = 50,
    ThunkSiteLetForward = 51,
    ThunkSiteOther = 52,
    ThunkSiteInheritSrc = 53,
    ThunkSiteNative = 54,
    ThunkSiteEvaluated = 55,
}

Expand description

Performance counter identifiers.

Each variant maps to a fixed array index via as usize. This avoids string matching in the hot path.

Variants§

EvalExpr = 0

ForceValue = 1

ThunkForce = 2

ThunkHit = 3

Import = 4

ImportHit = 5

Apply = 6

Select = 7

Attrset = 8

EnvClone = 9

EnvLookup = 10

EnvLookupDepth = 11

ExprIdent = 12

ExprLiteral = 13

ExprStr = 14

ExprList = 15

ExprAttrs = 16

ExprSelect = 17

ExprApply = 18

ExprLetIn = 19

ExprIfElse = 20

ExprWith = 21

ExprLambda = 22

ExprOther = 23

DeadBindingsSkipped = 24

ExprBinOp = 25

ExprHasAttr = 26

ExprUnaryOp = 27

ExprAssert = 28

ExprPath = 29

OverlayFlattenAttempt = 30

OverlayFlattenBuild = 31

OverlayFlattenEntries = 32

OverlayCreated = 33

SortedEntriesCalls = 34

SortedEntriesRows = 35

ListConcatCalls = 36

ListConcatElemsCopied = 37

ListConcatElemsReused = 38

AttrsEqStructuralCalls = 39

AttrsEqEntriesCloneElided = 40

WithScopeCacheClone = 41

SlashDeferredTailClone = 42

ThunkStoreWrites = 43

ThunkStoreLoopMutated = 44

ThunkStoreRedundant = 45

SelfRecWalkCalls = 46

SelfRecWalkNodes = 47

ThunkSiteMaybeOther = 48

ThunkSiteApplyArg = 49

ThunkSiteMaybeIdent = 50

ThunkSiteLetForward = 51

ThunkSiteOther = 52

ThunkSiteInheritSrc = 53

ThunkSiteNative = 54

ThunkSiteEvaluated = 55

Trait Implementations§

impl Clone for Counter

fn clone(&self) -> Counter

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

impl Copy for Counter

Auto Trait Implementations§

impl Freeze for Counter

impl RefUnwindSafe for Counter

impl Send for Counter

impl Sync for Counter

impl Unpin for Counter

impl UnsafeUnpin for Counter

impl UnwindSafe for Counter

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> LayoutRaw for T

fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.

impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more

fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.

impl<T> Pointee for T

type Metadata = ()

The metadata type for pointers and references to this type.

impl<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more