[Snippet rust]
```rust
fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
                write!(
                    fmt,
                    "{{ error_type: {:?}, error_description: {} }}",
                    self, $arg
```
Path: hyperswitch/crates/router/src/core/errors.rs :: fmt (function, crate=router)

Negatives:
- hyperswitch/crates/router/src/routes/payments.rs :: payments_retrieve
- hyperswitch/crates/hyperswitch_connectors/src/connectors/silverflow.rs :: get_headers
- hyperswitch/crates/hyperswitch_connectors/src/connectors/novalnet.rs :: get_error_response
- hyperswitch/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs :: try_from
- hyperswitch/crates/hyperswitch_connectors/src/connectors/wise.rs :: get_connector_about