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Console

Struct Console 

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pub struct Console;
Expand description

A console abstraction providing web console API methods.

Methods are associated functions (not instance methods) that internally access the global Console signal, so callers use Console::log(msg) without needing to obtain or hold a Console instance.

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impl Console

Implements the Console struct providing web console API methods.

Each method outputs to both the browser developer console and the vConsole panel signal, with appropriate log level classification. Methods are associated functions that internally access the global Console instance, so callers never need to hold a reference.

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pub fn init()

Initializes the global Console log signal.

Must be called once during application startup before any Console::log, Console::warn, or Console::error calls.

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pub fn log<M>(message: M)
where M: AsRef<str>,

Logs an informational message (equivalent to console.log).

§Arguments
  • M: AsRef<str> - The message to log.
§Panics

Panics if init_console has not been called.

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pub fn warn<M>(message: M)
where M: AsRef<str>,

Logs a warning message (equivalent to console.warn).

§Arguments
  • M: AsRef<str> - The warning message to log.
§Panics

Panics if init_console has not been called.

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pub fn error<M>(message: M)
where M: AsRef<str>,

Logs an error message (equivalent to console.error).

§Arguments
  • M: AsRef<str> - The error message to log.
§Panics

Panics if init_console has not been called.

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pub fn clear()

Clears all log entries from the vConsole panel signal.

§Panics

Panics if init_console has not been called.

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impl Console

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pub fn new() -> Self

Trait Implementations§

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impl Clone for Console

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fn clone(&self) -> Console

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 Console

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

Formats the value using the given formatter. Read more

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> 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.
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impl<S, T> Upcast<T> for S
where T: UpcastFrom<S> + ?Sized, S: ?Sized,

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fn upcast(&self) -> &T
where Self: ErasableGeneric, T: Sized + ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider ref type within the Wasm bindgen generics type system. Read more
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fn upcast_into(self) -> T
where Self: Sized + ErasableGeneric, T: Sized + ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider type within the Wasm bindgen generics type system. Read more