Trait SubstateReadHandler 

pub trait SubstateReadHandler {
    type Error;

    // Required method
    fn on_read_substate(
        &mut self,
        heap: &Heap,
        value: &IndexedScryptoValue,
        location: SubstateDevice,
    ) -> Result<(), Self::Error>;
}

Callback for substate read, from SubstateIO

Required Associated Types

type Error

Required Methods

fn on_read_substate( &mut self, heap: &Heap, value: &IndexedScryptoValue, location: SubstateDevice, ) -> Result<(), Self::Error>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors