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Query

Struct Query 

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pub struct Query { /* private fields */ }
Expand description

Query represents a search query with a string and optional ID.

A query can contain either:

  • A string to search for (ptr + length)
  • An ID to reverse lookup

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impl Query

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pub fn new() -> Self

Creates a new empty query.

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pub fn get(&self, i: usize) -> u8

Returns the character at the specified index.

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Panics if index is out of bounds.

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pub fn set_str(&mut self, s: &str)

Sets the query from a string slice.

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pub fn set_bytes(&mut self, bytes: &[u8])

Sets the query from a byte slice.

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pub fn set_id(&mut self, id: usize)

Sets the query ID.

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pub fn as_bytes(&self) -> &[u8]

Returns the query as a byte slice.

Returns an empty slice if no string is set.

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pub fn as_str(&self) -> &str

Returns the query string as a str reference.

§Panics

Panics if the query contains invalid UTF-8.

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pub fn ptr(&self) -> Option<*const u8>

Returns a pointer to the query data.

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pub fn length(&self) -> usize

Returns the length of the query string.

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pub fn id(&self) -> usize

Returns the query ID.

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pub fn clear(&mut self)

Clears the query to empty state.

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pub fn swap(&mut self, other: &mut Query)

Swaps with another query.

Trait Implementations§

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impl Clone for Query

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fn clone(&self) -> Query

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

Performs copy-assignment from source. Read more
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impl Debug for Query

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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 Query

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Send for Query

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impl Sync for Query

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, 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.