Method exec

core/tests/testutils/callables/sum_doubles_fn.rs:53–83

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

    }

    fn exec(&self, scope: Scope<'_>) -> CallResult<()> {
        let mut total = 0.0;
        let mut reg = 0;
        loop {
            let sep = match scope.get_type(reg) {
                VarArgTag::Immediate(sep, etype) => {
                    reg += 1;
                    match etype {
                        ExprType::Double => total += scope.get_double(reg),
                        ExprType::Integer => total += f64::from(scope.get_integer(reg)),
                        _ => {
                            return Err(CallError::Argument(
                                "Only accepts numerical values".to_owned(),
                            ));
                        }
                    }
                    sep
                }

                _ => {
                    return Err(CallError::Argument("Only accepts numerical values".to_owned()));
                }
            };
            reg += 1;

            if sep == ArgSep::End {
                break;
            }
        }
        scope.return_double(total)
    }
}