pub enum FinalizationResult<V> {
Changed(Option<V>),
Unchanged,
}
Expand description
Result of finalizing a node (that could be a part of the tree or not).
The tree has changed, optionally return the value associated with the finalized node.
The tree has not changed.
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
==
.
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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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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 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.