#[non_exhaustive]
pub enum CaseLevel {
Off,
On,
}
Expand description
Whether to distinguish case in sorting, even for sorting levels higher
than tertiary, without having to use tertiary level just to enable case level differences.
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Leave off the case level option. Case differences will be handled by default
in tertiary strength.
Turn on the case level option, thereby making a separate level for case
differences, positioned between secondary and tertiary.
Performs copy-assignment from
source
.
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Formats the value using the given formatter.
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This method tests for self
and other
values to be equal, and is used
by ==
.
This method tests for !=
. The default implementation is almost always
sufficient, and should not be overridden without very good reason.
Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning.
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Uses borrowed data to replace owned data, usually by cloning.
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The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.