[Snippet rust]
```rust
pub async fn update_customer(
```
Path: hyperswitch/crates/router/src/core/customers.rs :: update_customer (function, crate=router)

Negatives:
- hyperswitch/crates/storage_impl/src/lib.rs :: unique_constraints
- hyperswitch/crates/router/src/core/payments.rs :: get_merchant_connector_details
- hyperswitch/crates/hyperswitch_connectors/src/connectors/mifinity.rs :: get_currency_unit
- hyperswitch/crates/hyperswitch_connectors/src/connectors/barclaycard.rs :: get_request_body
- hyperswitch/crates/hyperswitch_constraint_graph/src/types.rs :: from