Enum syn::TraitBoundModifier

source · 
pub enum TraitBoundModifier {
    None,
    Maybe(Question),
}
Expand description

A modifier on a trait bound, currently only used for the ? in ?Sized.

Variants§

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None

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Maybe(Question)

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.