pub struct VacantEntry<'a> { /* private fields */ }
Expand description
A vacant Entry. It is part of the Entry enum.
Gets a reference to the key that would be used when inserting a value
through the VacantEntry.
Sets the value of the entry with the VacantEntry’s key, and returns a
mutable reference to it.
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.