Struct MemoryStateItemMut

pub struct MemoryStateItemMut<'m> { /* private fields */ }

Expand description

A mutable reference to a memory mapping in MemoryState.

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impl MemoryStateItemMut<'_>

pub fn set_data(&mut self, new_data: &[u8])

Replaces the current data in the memory mapping with new_data.

pub fn modify_data(&mut self, f: impl FnOnce(&mut [u8]))

Allows the data in the memory mapping to be modified through a &mut pointer.

pub fn crop_data(&mut self, max_size: usize)

Crops or extends the data in the mapping to be exactly max_size bytes.

pub fn set_addr(&mut self, new_addr: Addr)

Replaces the address of the mapping with new_addr.

pub fn addr(&self) -> Addr

Returns the address of the mapping.

pub fn permissions(&self) -> Permissions

Returns the permissions of the mapping.

pub fn data(&self) -> &[u8] ⓘ

Returns a read-only reference to the data of the mapping.

Auto Trait Implementations§

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impl<'m> !UnwindSafe for MemoryStateItemMut<'m>

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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, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

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const WITNESS: W = W::MAKE

A constant of the type witness

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impl<T> Identity for T
where T: ?Sized,

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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.

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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).

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impl<T, U> Into 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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