Trait ovgu_canteen::Update

pub trait Update: Sized {
    type Err;
    fn update(&mut self, from: &Self) -> Result<(), Self::Err>;
}

This trait is used to update the data of an instance.

Associated Types

type Err

This is the error type used when the update fails.

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Required methods

fn update(&mut self, from: &Self) -> Result<(), Self::Err>

Update this instance from another instance with the same type.

Arguments

from - The other instance that is used to update this instance.

Returns

A result containing an error that may occur during the update.

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Implementors

impl Update for Day

type Err = Error

fn update(&mut self, from: &Self) -> Result<(), Self::Err>

impl Update for Meal

type Err = Error

fn update(&mut self, from: &Self) -> Result<(), Self::Err>

impl Update for Price

type Err = Error

fn update(&mut self, from: &Self) -> Result<(), Self::Err>

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