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ConsoleSubscriber

Struct ConsoleSubscriber 

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pub struct ConsoleSubscriber { /* private fields */ }
Expand description

Writes formatted trace events to stderr.

Output format mirrors the Phase 1 dev-tools terminal layout:

[MOUNT]   HomeScreen        src/screens/home.rs:12
[ATOM]    FEED.set()        64 items
[REBUILD] FeedList          cause: FEED  0.8ms
[FRAME]   #847              2.1ms ✓
[REQUEST] GET /api/feed     200  145ms  cache:miss

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impl ConsoleSubscriber

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pub fn new() -> Self

Creates a new console subscriber printing all events.

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pub fn with_filter(filter: ConsoleFilter) -> Self

Creates a new console subscriber with the given filter.

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pub fn high_frequency(self, on: bool) -> Self

Opt into printing high-frequency events (AtomRead/FrameStart/…) — off by default (D123/O1). Only enable for deep, short-lived profiling; leaving it on floods the terminal every frame.

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pub fn event_count(&self) -> usize

Returns the total number of events received (regardless of filter).

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pub fn format(event: &RosaceTrace) -> String

Trait Implementations§

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impl Default for ConsoleSubscriber

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl TraceSubscriber for ConsoleSubscriber

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fn on_trace(&self, event: &RosaceTrace)

Called for every emitted RosaceTrace event.

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> 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, 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.