pub struct CallOnceError;
Expand description

The CallOnceError error indicates that CallOnce::call_once has been called more than once.

Trait Implementations§

Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more

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Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

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.