badRequest
mach::ControllerBase::badRequest
Creates a Bad Request response.
Description
Section titled “Description”Creates a 400 Bad Request response, optionally containing the specified value.
Syntax
Section titled “Syntax”// (1)template <typename T>[[nodiscard]] mach::Reply<T> badRequest(T value);
// (2)[[nodiscard]] mach::Reply<std::string> badRequest(const char* value);
// (3)template <typename T = void>[[nodiscard]] mach::Reply<T> badRequest();Return Value
Section titled “Return Value”Overload (1)
Section titled “Overload (1)”A Bad Request reply containing the specified value.
Overload (2)
Section titled “Overload (2)”A Bad Request reply containing the specified string.
Overload (3)
Section titled “Overload (3)”A Bad Request reply with no value.
Template Parameters
Section titled “Template Parameters”Overload (1)
Section titled “Overload (1)”| Parameter | Description |
|---|---|
T |
The type of the response body. |
Overload (3)
Section titled “Overload (3)”| Parameter | Description |
|---|---|
T |
The reply value type used to match the endpoint’s return type. Defaults to void. |
Parameters
Section titled “Parameters”Overload (1)
Section titled “Overload (1)”| Parameter | Description |
|---|---|
value |
The response body. |
Overload (2)
Section titled “Overload (2)”| Parameter | Description |
|---|---|
value |
The response body. |
Remarks
Section titled “Remarks”Overload (2) converts the specified value to a std::string.
Examples
Section titled “Examples”Overload (1)
Section titled “Overload (1)”return badRequest(error);Overload (2)
Section titled “Overload (2)”return badRequest("Invalid request.");Overload (3)
Section titled “Overload (3)”return badRequest<User>();See Also
Section titled “See Also”| Name | Description |
|---|---|
Reply |
Represents the result of an HTTP endpoint. |
mach::badRequest |
Creates a Bad Request response from a route handler. |
Results |
Creates HTTP responses from route handlers. |