Trait attr::InsecureIndexableAttr

pub trait InsecureIndexableAttr<Type: ?Sized, Idx: ?Sized>: InsecureAttr<Type> {
    type Output;
    fn at(&self, i: Type, idx: Idx) -> Result<Self::Output>;
}

Access to a part of the attribute by index, where access can fail

This can be used to provide access to parts of a vector where the exact structure of vector parts is unknown.

Associated Types

type Output

The resulting value when accessing the attribute

Required Methods

fn at(&self, i: Type, idx: Idx) -> Result<Self::Output>

Implementation of the indexing operation

Implementors