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Cur

Struct Cur 

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pub struct Cur<'a> {
    pub pos: usize,
    /* private fields */
}
Expand description

A bounds-checked cursor over untrusted bytes.

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§pos: usize

Current position.

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impl<'a> Cur<'a>

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pub fn new(b: &'a [u8]) -> Self

A cursor at the start of b.

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pub fn done(&self) -> bool

At the end?

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pub fn uv(&mut self) -> Result<u64, FileError>

One varint.

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pub fn u32v(&mut self) -> Result<u32, FileError>

One varint as a u32.

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pub fn len(&mut self) -> Result<usize, FileError>

One varint as a length bounded by the remaining bytes.

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pub fn count(&mut self, max: u64) -> Result<usize, FileError>

One varint as a count, sanity-bounded by max.

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pub fn u8(&mut self) -> Result<u8, FileError>

One byte.

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pub fn bytes(&mut self, n: usize) -> Result<&'a [u8], FileError>

n raw bytes.

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pub fn lp(&mut self) -> Result<&'a [u8], FileError>

A length-prefixed byte string.

Auto Trait Implementations§

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impl<'a> Freeze for Cur<'a>

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impl<'a> RefUnwindSafe for Cur<'a>

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impl<'a> Send for Cur<'a>

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impl<'a> Sync for Cur<'a>

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impl<'a> Unpin for Cur<'a>

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impl<'a> UnsafeUnpin for Cur<'a>

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impl<'a> UnwindSafe for Cur<'a>

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> Same for T

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type Output = T

Should always be Self
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V