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Struct TryWriteCStringFn

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pub struct TryWriteCStringFn<F, R>(/* private fields */)
where
    F: FnMut(CString) -> R;
Expand description

A wrapper for write functions for<R> FnMut(CString) -> R.

It implements WriteBytes and WriteStr traits and can be used in conjunction with IntoTryWriteFn trait to simplify type inference.

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impl<F, R> TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R,

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pub fn new(closure: F) -> Self

Creates a new TryWriteCStringFn containing the given closure or function.

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impl<F, R: Clone> Clone for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R + Clone,

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fn clone(&self) -> TryWriteCStringFn<F, R>

Returns a duplicate of the value. Read more
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const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<F, R: Debug> Debug for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R + Debug,

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

Formats the value using the given formatter. Read more
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impl<F, R: PartialEq> PartialEq for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R + PartialEq,

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fn eq(&self, other: &TryWriteCStringFn<F, R>) -> bool

Tests for self and other values to be equal, and is used by ==.
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const fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<F, R> WriteBytes for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R,

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type Output = Result<R, NulError>

The resulting type after writing.
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fn write_bytes(&mut self, buf: &[u8]) -> Self::Output

Performs byte writing.
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impl<F, R: Copy> Copy for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R + Copy,

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impl<F, R: Eq> Eq for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R + Eq,

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impl<F, R> StructuralPartialEq for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R,

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impl<F, R> WriteStrAsBytes for TryWriteCStringFn<F, R>
where F: FnMut(CString) -> R,

Auto Trait Implementations§

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impl<F, R> Freeze for TryWriteCStringFn<F, R>
where F: Freeze,

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impl<F, R> RefUnwindSafe for TryWriteCStringFn<F, R>
where F: RefUnwindSafe,

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impl<F, R> Send for TryWriteCStringFn<F, R>
where F: Send,

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impl<F, R> Sync for TryWriteCStringFn<F, R>
where F: Sync,

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impl<F, R> Unpin for TryWriteCStringFn<F, R>
where F: Unpin,

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impl<F, R> UnwindSafe for TryWriteCStringFn<F, R>
where F: UnwindSafe,

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<T> WriteStr for T
where T: WriteStrAsBytes,

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type Output = <T as WriteBytes>::Output

The resulting type after writing.
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fn write_str(&mut self, buf: &str) -> <T as WriteStr>::Output

Performs byte writing.