Method exec

core/tests/testutils/callables/out_positional_cmd.rs:66–92

(&self, scope: Scope<'_>)

    }

    fn exec(&self, scope: Scope<'_>) -> CallResult<()> {
        let mut output = self.output.borrow_mut();

        let mut i = 0;

        let (formatted, present, sep) = format_vararg(&scope, i);
        assert_ne!(ArgSep::End, sep, "Command expects more arguments");
        output.push_str(&formatted);
        output.push('\n');
        i += 1;
        if present {
            i += 1;
        }

        let formatted = format_arg(&scope, i, ExprType::Integer);
        output.push_str(&formatted);
        output.push('\n');
        i += 1;

        let (formatted, present, sep) = format_vararg(&scope, i);
        assert!(present, "Last argument is not optional");
        assert_eq!(ArgSep::End, sep, "No more arguments expected");
        output.push_str(&formatted);
        output.push('\n');

        Ok(())
    }
}