[−][src]Struct mongodb::options::Collation
A collation configuration. See the official MongoDB documentation for more information on each of the fields.
Fields (Non-exhaustive)
Struct { .. }
syntax; cannot be matched against without a wildcard ..
; and struct update syntax will not work.locale: String
The ICU locale.
See the list of supported languages and locales here.
strength: Option<i32>
The level of comparison to perform. Corresponds to ICU Comparison Levels.
case_level: Option<bool>
Whether to include case comparison when strength
is level 1 or 2.
case_first: Option<String>
The sort order of case differences during tertiary level comparisons.
numeric_ordering: Option<bool>
Whether to compare numeric strings as numbers or strings.
alternate: Option<String>
Whether collation should consider whitespace and punctuation as base characters for purposes of comparison.
max_variable: Option<String>
Up to which characters are considered ignorable when alternate
is "shifted". Has no
effect if alternate
is set to "non-ignorable".
normalization: Option<bool>
Whether to check if text require normalization and to perform it.
backwards: Option<bool>
Whether strings with diacritics sort from the back of the string.
Implementations
impl Collation
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pub fn builder() -> CollationBuilder<((), (), (), (), (), (), (), (), ())>
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Create a builder for building Collation
.
On the builder, call .locale(...)
, .strength(...)
(optional), .case_level(...)
(optional), .case_first(...)
(optional), .numeric_ordering(...)
(optional), .alternate(...)
(optional), .max_variable(...)
(optional), .normalization(...)
(optional), .backwards(...)
(optional) to set the values of the fields (they accept Into
values).
Finally, call .build()
to create the instance of Collation
.
Trait Implementations
impl Clone for Collation
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impl Debug for Collation
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impl Default for Collation
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impl<'de> Deserialize<'de> for Collation
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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
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__D: Deserializer<'de>,
impl Serialize for Collation
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Auto Trait Implementations
impl RefUnwindSafe for Collation
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impl Send for Collation
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impl Sync for Collation
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impl Unpin for Collation
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impl UnwindSafe for Collation
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,