Scala has had all of that for years. This JEP literally copies the design of Scala string interpolators. Except that Scala has macros so, if desired, a string i

Scala has had all of that for years. This JEP literally copies the design of Scala string interpolators. Except that Scala has macros so, if desired, a string interpolator can perform validation at compile time, making it even more secure than what is being proposed here.