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CFString

Struct CFString 

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pub struct CFString(/* private fields */);
Expand description

Safe wrapper around a retained Core Foundation CFString reference.

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impl CFString

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pub unsafe fn from_raw(ptr: *mut c_void) -> Option<Self>

Adopts a +1 retained CFString pointer and returns None for null.

§Safety

A non-null ptr must be a live CFString pointer of the exact dynamic type carrying one retain transferred to this wrapper. The caller must not release or separately adopt that transferred retain.

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pub unsafe fn from_raw_borrowed(ptr: *mut c_void) -> Option<Self>

Retains a +0 borrowed CFString pointer and returns an owned wrapper.

§Safety

A non-null ptr must be a live CFString pointer of the exact dynamic type for the duration of the retain call.

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pub const fn as_ptr(&self) -> *mut c_void

Borrows the raw +0 Core Foundation pointer while self remains alive.

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pub fn type_id() -> usize

Returns the Core Foundation type ID for CFString.

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pub fn into_cf_type(self) -> CFType

Consumes this wrapper and returns the erased CFType.

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impl CFString

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pub fn new(value: &str) -> Self

Create a UTF-8 CFString.

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pub fn len(&self) -> usize

Number of Unicode scalar values in the string.

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pub fn is_empty(&self) -> bool

Whether the string is empty.

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pub fn to_string_lossy(&self) -> String

Copy the string into a Rust String.

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impl AsCFType for CFString

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fn as_ptr(&self) -> *mut c_void

Borrow the underlying Core Foundation object pointer.
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fn to_cf_type(&self) -> CFType

Clone this value as an erased CFType.
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impl Clone for CFString

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fn clone(&self) -> CFString

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 CFString

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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 Default for CFString

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Display for CFString

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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 Eq for CFString

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impl From<CFString> for CFType

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fn from(value: CFString) -> Self

Converts to this type from the input type.
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impl Hash for CFString

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for CFString

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fn eq(&self, other: &CFString) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for CFString

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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. 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.