db_derive::error

Trait OptionalExtension

Source 
pub trait OptionalExtension<T> {
    // Required method
    fn optional(self) -> Result<Option<T>, Error>;
}

Required Methods§

Source

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

Implementations on Foreign Types§

Source§

impl<T> OptionalExtension<T> for Result<T, Error>

Source§

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

Implementors§