Guard

stdio_utils

Struct Guard 

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

A type that restores a replaced file descriptor when it’s dropped

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impl Guard

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pub fn forget(self)

Consume the guard without restoring the file descriptor.

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pub fn into_inner(self) -> OwnedFd

Consume the guard returning an OwnedFd with the original file descriptor

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impl AsFd for Guard

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fn as_fd(&self) -> BorrowedFd<'_>

Borrows the file descriptor. Read more
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impl Drop for Guard

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl Freeze for Guard

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impl RefUnwindSafe for Guard

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impl Send for Guard

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impl Sync for Guard

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impl Unpin for Guard

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impl UnwindSafe for Guard

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> AsFdExt for T
where T: AsFd,

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fn borrow_file(&self) -> BorrowedFd<'_>

Borrow the current file descriptor as a BorrowFd. Read more
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fn duplicate_file(&self) -> Result<OwnedFd>

Duplicates the current file descriptor as an OwnedFd. 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> StdioOverride for T
where T: AsFd,

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fn override_stdout(&self) -> Result<Guard>

Replace the process standard output with a duplicate of the file descriptor. Read more
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fn override_stderr(&self) -> Result<Guard>

Replace the process standard error with a duplicate of the file descriptor. Read more
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fn override_stdin(&self) -> Result<Guard>

Replace the process standard input with a duplicate of the file descriptor. 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.