pub fn last_exec_gas_cost(&self) -> Gas {
        let exec_results = self
            .exec_results
            .last()
            .expect("Expected to be called after run()");
        let exec_result = exec_results.get(0).expect("should have result");
        exec_result.cost()
    }
/// Returns the `Gas` const of the last exec.
Returns the `Gas` const of the last exec.
Returns the ` Gas ` const of the last exec .
pub fn last_exec_gas_cost(&self) -> Gas {
        let exec_results = self
            .exec_results
            .last()
            .expect("Expected to be called after run()");
        let exec_result = exec_results.get(0).expect("should have result");
        exec_result.cost()
    }
pub fn last_exec_gas_cost ( & self ) -> Gas { let exec_results = self . exec_results . last ( ) . expect ( " " ) ; let exec_result = exec_results . get ( 0 ) . expect ( " " ) ; exec_result . cost ( ) }
Returns the `Gas` const of the last exec.
Returns the ` Gas ` const of the last exec .
&self
&self