That sounds quite similar in spirit to Rebol and descendants, which also have built-in datatypes and dedicated syntax for a wide range of things [http://www.rebol.com/r3/docs/datatypes.html].
[0] http://www.rebol.com/docs.html
[1] https://www.red-lang.org/p/documentation.html
(NB. Red is a descendant of Rebol; they’re not the same, especially with more advanced features, but they’re still similar enough that the documentation transfers over easily.)