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OpenOptions

Struct OpenOptions 

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pub struct OpenOptions<'a> { /* private fields */ }

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impl OpenOptions<'_>

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pub fn read(&mut self, read: bool) -> &mut Self

Enables or disables read access.

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pub fn write(&mut self, write: bool) -> &mut Self

Enables or disables write access.

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pub fn append(&mut self, append: bool) -> &mut Self

Enables or disables append mode.

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pub fn create(&mut self, create: bool) -> &mut Self

Enables or disables creation when the file is absent.

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pub fn create_new(&mut self, create_new: bool) -> &mut Self

Enables or disables exclusive creation.

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pub fn truncate(&mut self, truncate: bool) -> &mut Self

Enables or disables truncation when opening.

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pub fn no_follow(&mut self, no_follow: bool) -> &mut Self

Enables or disables following the final path component when it is a link.

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pub async fn open(&self, path: Path<'_>) -> Result<File>

Opens path using the configured options.

Auto Trait Implementations§

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impl<'a> !RefUnwindSafe for OpenOptions<'a>

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impl<'a> !UnwindSafe for OpenOptions<'a>

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impl<'a> Freeze for OpenOptions<'a>

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impl<'a> Send for OpenOptions<'a>

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impl<'a> Sync for OpenOptions<'a>

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impl<'a> Unpin for OpenOptions<'a>

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impl<'a> UnsafeUnpin for OpenOptions<'a>

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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.