Method RegisterCustomConstraint

app.go:855–857

RegisterCustomConstraint allows to register custom constraint.

(constraint CustomConstraint)

// RegisterCustomConstraint allows to register custom constraint.
func (app *App) RegisterCustomConstraint(constraint CustomConstraint) {
	app.customConstraints = append(app.customConstraints, constraint)
}

// RegisterCustomBinder Allows to register custom binders to use as Bind().Custom("name").
// They should be compatible with CustomBinder interface.