pub struct Directive { /* private fields */ }
Expand description
A single filtering directive.
Formats the value using the given formatter.
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Returns the “default value” for a type.
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Formats the value using the given formatter.
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Converts to this type from the input type.
Converts to this type from the input type.
The associated error which can be returned from parsing.
Parses a string
s
to return a value of this type.
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Compares and returns the maximum of two values.
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Compares and returns the minimum of two values.
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Restrict a value to a certain interval.
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This method tests for
self
and
other
values to be equal, and is used
by
==
.
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This method tests for
!=
. The default implementation is almost always
sufficient, and should not be overridden without very good reason.
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This method returns an ordering between
self
and
other
values if one exists.
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This method tests less than (for
self
and
other
) and is used by the
<
operator.
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This method tests less than or equal to (for
self
and
other
) and is used by the
<=
operator.
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This method tests greater than (for
self
and
other
) and is used by the
>
operator.
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This method tests greater than or equal to (for
self
and
other
) and is used by the
>=
operator.
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Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Instruments this type with the provided
Span
, returning an
Instrumented
wrapper.
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Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
Converts the given value to a
String
.
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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.