Trait ValueAccess 

pub trait ValueAccess<V> {
    // Required methods
    fn read(&self) -> V;
    fn write(&mut self, value: V) -> V;
}

Required Methods

fn read(&self) -> V

Reads the current value from account storage.

fn write(&mut self, value: V) -> V

Writes a new value into account storage and returns the previous value.

Implementors

impl<V: Into<Word> + From<Word>> ValueAccess<V> for Value