Enum rustc_expand::base::ExpandResult

source · 
pub enum ExpandResult<T, U> {
    Ready(T),
    Retry(U),
}
Expand description

Result of an expansion that may need to be retried. Consider using this for non-MultiItemModifier expanders as well.

Variants§

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Ready(T)

Expansion produced a result (possibly dummy).

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Retry(U)

Expansion could not produce a result and needs to be retried.

Auto Trait Implementations§

Blanket Implementations§

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.

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.