Salo

Results 2 issues of Salo

/some/api/{param}: if this `param` is not be defined. the command `swagger-cli validate api.yaml` can't throw any errors.

``` ReceiverAddress: allOf: - $ref: "#/components/schemas/ReceiverAddressMeta" ``` It is OK, but ``` ReceiverAddress: $ref: "#/components/schemas/ReceiverAddressMeta" ``` it will block progress.