Struct objc2::foundation::NSMutableData
source · [−]#[repr(C)]pub struct NSMutableData { /* private fields */ }
foundation
only.Expand description
Implementations
sourceimpl NSMutableData
impl NSMutableData
Creation methods
pub fn new() -> Id<Self, Owned>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
pub fn with_bytes(bytes: &[u8]) -> Id<Self, Owned>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
pub fn from_vec(bytes: Vec<u8>) -> Id<Self, Owned>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
block
only.pub fn from_data(data: &NSData) -> Id<Self, Owned>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
pub fn with_capacity(capacity: usize) -> Id<Self, Owned>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
sourceimpl NSMutableData
impl NSMutableData
Mutation methods
pub fn bytes_mut(&mut self) -> &mut [u8]ⓘNotable traits for &[u8]impl Read for &[u8]impl Write for &mut [u8]
pub fn extend_from_slice(&mut self, bytes: &[u8])
pub fn push(&mut self, byte: u8)
pub fn replace_range(&mut self, range: Range<usize>, bytes: &[u8])
pub fn set_bytes(&mut self, bytes: &[u8])
Methods from Deref<Target = NSData>
Methods from Deref<Target = NSObject>
sourcepub fn is_kind_of<T: ClassType>(&self) -> bool
pub fn is_kind_of<T: ClassType>(&self) -> bool
Check if the object is an instance of the class, or one of it’s subclasses.
See Apple’s documentation for more details on what you may (and what you may not) do with this information.
Methods from Deref<Target = Object>
sourcepub unsafe fn ivar_ptr<T: Encode>(&self, name: &str) -> *mut T
pub unsafe fn ivar_ptr<T: Encode>(&self, name: &str) -> *mut T
Returns a pointer to the instance variable / ivar with the given name.
This is similar to UnsafeCell::get
, see that for more information
on what is and isn’t safe to do.
Usually you will have defined the instance variable yourself with
ClassBuilder::add_ivar
, the type of the ivar T
must match the
type used in that.
Attempting to access or modify private implementation details of a class that you do no control using this is not supported, and may invoke undefined behaviour.
Library implementors are strongly encouraged to expose a safe interface to the ivar.
Panics
May panic if the object has no ivar with the given name. May also
panic if the type encoding of the ivar differs from the type encoding
of T
.
This should purely seen as help while debugging and is not guaranteed
(e.g. it may be disabled when debug_assertions
are off).
Safety
The object must have an instance variable with the given name, and it
must be of type T
. Any invariants that the object have assumed about
the value of the instance variable must not be violated.
No thread syncronization is done on accesses to the variable, so you must ensure that any access to the returned pointer do not cause data races, and that Rust’s mutability rules are not otherwise violated.
sourcepub unsafe fn ivar<T: Encode>(&self, name: &str) -> &T
pub unsafe fn ivar<T: Encode>(&self, name: &str) -> &T
Returns a reference to the instance variable with the given name.
See Object::ivar_ptr
for more information, including on when this
panics.
Safety
The object must have an instance variable with the given name, and it
must be of type T
.
No thread syncronization is done, so you must ensure that no other
thread is concurrently mutating the variable. This requirement can be
considered upheld if all mutation happens through Object::ivar_mut
(since that takes &mut self
).
sourcepub unsafe fn get_ivar<T: Encode>(&self, name: &str) -> &T
👎Deprecated: Use Object::ivar
instead.
pub unsafe fn get_ivar<T: Encode>(&self, name: &str) -> &T
Use Object::ivar
instead.
sourcepub unsafe fn ivar_mut<T: Encode>(&mut self, name: &str) -> &mut T
pub unsafe fn ivar_mut<T: Encode>(&mut self, name: &str) -> &mut T
Returns a mutable reference to the ivar with the given name.
See Object::ivar_ptr
for more information, including on when this
panics.
Safety
The object must have an instance variable with the given name, and it
must be of type T
.
This access happens through &mut self
, which means we know it to be
the only reference, hence you do not need to do any work to ensure
that data races do not happen.
sourcepub unsafe fn get_mut_ivar<T: Encode>(&mut self, name: &str) -> &mut T
👎Deprecated: Use Object::ivar_mut
instead.
pub unsafe fn get_mut_ivar<T: Encode>(&mut self, name: &str) -> &mut T
Use Object::ivar_mut
instead.
sourcepub unsafe fn set_ivar<T: Encode>(&mut self, name: &str, value: T)
pub unsafe fn set_ivar<T: Encode>(&mut self, name: &str, value: T)
Sets the value of the ivar with the given name.
This is just a helpful shorthand for Object::ivar_mut
, see that
for more information.
Safety
Same as Object::ivar_mut
.
Trait Implementations
sourceimpl AsMut<[u8]> for NSMutableData
impl AsMut<[u8]> for NSMutableData
sourceimpl AsMut<NSData> for NSMutableData
impl AsMut<NSData> for NSMutableData
sourceimpl AsMut<NSMutableData> for NSMutableData
impl AsMut<NSMutableData> for NSMutableData
sourceimpl AsMut<NSObject> for NSMutableData
impl AsMut<NSObject> for NSMutableData
sourceimpl AsMut<Object> for NSMutableData
impl AsMut<Object> for NSMutableData
sourceimpl AsRef<[u8]> for NSMutableData
impl AsRef<[u8]> for NSMutableData
sourceimpl AsRef<NSData> for NSMutableData
impl AsRef<NSData> for NSMutableData
sourceimpl AsRef<NSMutableData> for NSMutableData
impl AsRef<NSMutableData> for NSMutableData
sourceimpl AsRef<NSObject> for NSMutableData
impl AsRef<NSObject> for NSMutableData
sourceimpl AsRef<Object> for NSMutableData
impl AsRef<Object> for NSMutableData
sourceimpl Borrow<NSData> for NSMutableData
impl Borrow<NSData> for NSMutableData
sourceimpl Borrow<NSObject> for NSMutableData
impl Borrow<NSObject> for NSMutableData
sourceimpl Borrow<Object> for NSMutableData
impl Borrow<Object> for NSMutableData
sourceimpl BorrowMut<NSData> for NSMutableData
impl BorrowMut<NSData> for NSMutableData
sourcefn borrow_mut(&mut self) -> &mut NSData
fn borrow_mut(&mut self) -> &mut NSData
Mutably borrows from an owned value. Read more
sourceimpl BorrowMut<NSObject> for NSMutableData
impl BorrowMut<NSObject> for NSMutableData
sourcefn borrow_mut(&mut self) -> &mut NSObject
fn borrow_mut(&mut self) -> &mut NSObject
Mutably borrows from an owned value. Read more
sourceimpl BorrowMut<Object> for NSMutableData
impl BorrowMut<Object> for NSMutableData
sourcefn borrow_mut(&mut self) -> &mut Object
fn borrow_mut(&mut self) -> &mut Object
Mutably borrows from an owned value. Read more
sourceimpl ClassType for NSMutableData
impl ClassType for NSMutableData
sourceimpl Debug for NSMutableData
impl Debug for NSMutableData
sourceimpl DefaultId for NSMutableData
impl DefaultId for NSMutableData
sourcefn default_id() -> Id<Self, Self::Ownership>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
fn default_id() -> Id<Self, Self::Ownership>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
sourceimpl Deref for NSMutableData
impl Deref for NSMutableData
sourceimpl DerefMut for NSMutableData
impl DerefMut for NSMutableData
sourceimpl<'a> Extend<&'a u8> for NSMutableData
impl<'a> Extend<&'a u8> for NSMutableData
sourcefn extend<T: IntoIterator<Item = &'a u8>>(&mut self, iter: T)
fn extend<T: IntoIterator<Item = &'a u8>>(&mut self, iter: T)
Extends a collection with the contents of an iterator. Read more
sourcefn extend_one(&mut self, item: A)
fn extend_one(&mut self, item: A)
extend_one
)Extends a collection with exactly one element.
sourcefn extend_reserve(&mut self, additional: usize)
fn extend_reserve(&mut self, additional: usize)
extend_one
)Reserves capacity in a collection for the given number of additional elements. Read more
sourceimpl Extend<u8> for NSMutableData
impl Extend<u8> for NSMutableData
sourcefn extend<T: IntoIterator<Item = u8>>(&mut self, iter: T)
fn extend<T: IntoIterator<Item = u8>>(&mut self, iter: T)
You should use extend_from_slice
whenever possible, it is more
performant.
sourcefn extend_one(&mut self, item: A)
fn extend_one(&mut self, item: A)
extend_one
)Extends a collection with exactly one element.
sourcefn extend_reserve(&mut self, additional: usize)
fn extend_reserve(&mut self, additional: usize)
extend_one
)Reserves capacity in a collection for the given number of additional elements. Read more
sourceimpl Hash for NSMutableData
impl Hash for NSMutableData
sourceimpl<I: SliceIndex<[u8]>> Index<I> for NSMutableData
impl<I: SliceIndex<[u8]>> Index<I> for NSMutableData
sourceimpl<I: SliceIndex<[u8]>> IndexMut<I> for NSMutableData
impl<I: SliceIndex<[u8]>> IndexMut<I> for NSMutableData
sourceimpl<'a> IntoIterator for &'a NSMutableData
impl<'a> IntoIterator for &'a NSMutableData
sourceimpl<'a> IntoIterator for &'a mut NSMutableData
impl<'a> IntoIterator for &'a mut NSMutableData
sourceimpl NSCopying for NSMutableData
impl NSCopying for NSMutableData
type Ownership = Shared
type Ownership = Shared
foundation
only.Indicates whether the type is mutable or immutable. Read more
sourcefn copy(&self) -> Id<Self::Output, Self::Ownership>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
fn copy(&self) -> Id<Self::Output, Self::Ownership>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
foundation
only.sourceimpl NSMutableCopying for NSMutableData
impl NSMutableCopying for NSMutableData
sourcefn mutable_copy(&self) -> Id<Self::Output, Owned>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
fn mutable_copy(&self) -> Id<Self::Output, Owned>ⓘNotable traits for Id<I, Owned>impl<I: Iterator + ?Sized> Iterator for Id<I, Owned> type Item = I::Item;impl<T: Read + ?Sized> Read for Id<T, Owned>impl<T: Write + ?Sized> Write for Id<T, Owned>impl<T: Future + Unpin + ?Sized> Future for Id<T, Owned> type Output = T::Output;
foundation
only.sourceimpl PartialEq<NSMutableData> for NSMutableData
impl PartialEq<NSMutableData> for NSMutableData
sourcefn eq(&self, other: &NSMutableData) -> bool
fn eq(&self, other: &NSMutableData) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourceimpl RefEncode for NSMutableData
impl RefEncode for NSMutableData
sourceconst ENCODING_REF: Encoding = <NSData as crate::RefEncode>::ENCODING_REF
const ENCODING_REF: Encoding = <NSData as crate::RefEncode>::ENCODING_REF
The Objective-C type-encoding for a reference of this type. Read more
sourceimpl ToOwned for NSMutableData
impl ToOwned for NSMutableData
type Owned = Id<NSMutableData, Owned>
type Owned = Id<NSMutableData, Owned>
The resulting type after obtaining ownership.
sourcefn to_owned(&self) -> Self::Owned
fn to_owned(&self) -> Self::Owned
Creates owned data from borrowed data, usually by cloning. Read more
1.63.0 · sourcefn clone_into(&self, target: &mut Self::Owned)
fn clone_into(&self, target: &mut Self::Owned)
Uses borrowed data to replace owned data, usually by cloning. Read more
sourceimpl Write for NSMutableData
impl Write for NSMutableData
sourcefn write(&mut self, buf: &[u8]) -> Result<usize>
fn write(&mut self, buf: &[u8]) -> Result<usize>
Write a buffer into this writer, returning how many bytes were written. Read more
sourcefn write_all(&mut self, buf: &[u8]) -> Result<()>
fn write_all(&mut self, buf: &[u8]) -> Result<()>
Attempts to write an entire buffer into this writer. Read more
sourcefn flush(&mut self) -> Result<()>
fn flush(&mut self) -> Result<()>
Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more
sourcefn is_write_vectored(&self) -> bool
fn is_write_vectored(&self) -> bool
can_vector
)Determines if this Write
r has an efficient write_vectored
implementation. Read more
sourcefn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>
fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>
write_all_vectored
)Attempts to write multiple buffers into this writer. Read more
impl Eq for NSMutableData
impl Message for NSMutableData
impl StructuralEq for NSMutableData
impl StructuralPartialEq for NSMutableData
Auto Trait Implementations
impl RefUnwindSafe for NSMutableData
impl Send for NSMutableData
impl Sync for NSMutableData
impl !Unpin for NSMutableData
impl UnwindSafe for NSMutableData
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more