Trait sp_runtime::traits::MaybeEquivalence
source · pub trait MaybeEquivalence<A, B> {
// Required methods
fn convert(a: &A) -> Option<B>;
fn convert_back(b: &B) -> Option<A>;
}Expand description
Definition for a bi-directional, fallible conversion between two types.
Required Methods§
sourcefn convert(a: &A) -> Option<B>
fn convert(a: &A) -> Option<B>
Attempt to convert reference of A into value of B, returning None if not possible.
sourcefn convert_back(b: &B) -> Option<A>
fn convert_back(b: &B) -> Option<A>
Attempt to convert reference of B into value of A, returning None if not possible.