// Fig. 10.14: SalariedEmployee.cpp
// SalariedEmployee class member-function definitions.
#include <fmt/format.h>
#include <stdexcept>
#include "SalariedEmployee.h" // SalariedEmployee class definition

// constructor 
SalariedEmployee::SalariedEmployee(std::string_view name, double salary)
   : Employee{name} {
   setSalary(salary); 
} 

// set salary
void SalariedEmployee::setSalary(double salary) {
   if (salary < 0.0) {
      throw std::invalid_argument("Weekly salary must be >= 0.0");
   } 

   m_salary = salary;
} 

// return salary
double SalariedEmployee::getSalary() const {return m_salary;}

// calculate earnings; 
// override pure virtual function earnings in Employee
double SalariedEmployee::earnings() const {return getSalary();}

// return a string representation of SalariedEmployee
std::string SalariedEmployee::toString() const {
   return fmt::format("{}\n{}: ${:.2f}", Employee::toString(), 
      "salary", getSalary());
} 

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