This struct provides a namespace that defines the types used to impose user-defined constraints on values associated with command-line options. One type is defined for each scalar type defined in balcl::OptionType except for bool.
Declared in <balcl_constraint.h>
struct Constraint;| Name | Description |
|---|---|
CharConstraint | Functor type that validates char option values; see TimeConstraint. |
DateConstraint | Functor type that validates bdlt::Date option values; see TimeConstraint. |
DatetimeConstraint | Functor type that validates bdlt::Datetime option values; see TimeConstraint. |
DoubleConstraint | Functor type that validates double option values; see TimeConstraint. |
Int64Constraint | Functor type that validates Int64 option values; see TimeConstraint. |
IntConstraint | Functor type that validates int option values; see TimeConstraint. |
StringConstraint | Functor type that validates bsl::string option values; see TimeConstraint. |
TimeConstraint | Functor type that validates bdlt::Time option values. |