Trait headless_lms_server::prelude::TryToOptional

pub trait TryToOptional<T, E> {
    // Required method
    fn optional(self) -> Result<Option<T>, E>
       where Self: Sized;
}

Required Methods

fn optional(self) -> Result<Option<T>, E>

where Self: Sized,

Implementations on Foreign Types

impl<T> TryToOptional<T, ModelError> for Result<T, ModelError>

fn optional(self) -> Result<Option<T>, ModelError>

Implementors