InMemoryIo

async_codegen::util

Struct InMemoryIo 

Source 
pub struct InMemoryIo<'s>(pub &'s mut String);
Expand description

An IO implementation that just writes to a string. The futures produced from methods like IoOutput::write are complete instantly, and no errors are produced.

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§0: &'s mut String

Trait Implementations§

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impl IoOutput for InMemoryIo<'_>

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type Error = Infallible

The error type for write operations
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async fn write(&mut self, value: &str) -> Result<(), Self::Error>

Writes a string to the output. Yields an error upon failure.

Auto Trait Implementations§

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impl<'s> Freeze for InMemoryIo<'s>

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impl<'s> RefUnwindSafe for InMemoryIo<'s>

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impl<'s> Send for InMemoryIo<'s>

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impl<'s> Sync for InMemoryIo<'s>

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impl<'s> Unpin for InMemoryIo<'s>

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impl<'s> !UnwindSafe for InMemoryIo<'s>

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.