pub enum Topic<T> {
Any,
OneOf(Vec<T>),
This(T),
}
Expand description
Acceptable topic possibilities.
Returns true if topic is empty (Topic::Any)
Formats the value using the given formatter.
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Returns the “default value” for a type.
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Converts to this type from the input type.
Converts to this type from the input type.
Converts to this type from the input type.
Converts to this type from the input type.
The returned type after indexing.
Performs the indexing (
container[index]
) operation.
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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.
Serialize this value into the given Serde serializer.
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Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Converts to this type from the input type.
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 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.