55 return "A value must be entered for this parameter";
double value
The value of the point.
#define DLLExport
Definitions of the DLLImport compiler directives for MSVC.
Validator to check that a property is not left empty.
IValidator_sptr clone() const override
std::string checkValidity(const TYPE &value) const override
Check if a value has been provided.
DLLExport bool checkIsEmpty(const T &)
Forward declare checking function.
std::shared_ptr< IValidator > IValidator_sptr
A shared_ptr to an IValidator.
Helper class which provides the Collimation Length for SANS instruments.
Defines the concept of emptiness.
static bool check(const T &value)
Returns true if the value is considered empty.