In Clojure 1.9 alpha, limited support for Java 8 java.time.Instant was added, namely by (conditionally) extending the Inst protocol to that type.
It would be useful to enhance support for java.time.Instant further by
installing a print-method and print-dup for java.time.Instant
providing a read-instant function for reading java.time.Instant
This functionality is already provided in Clojure 1.8 today for the types java.util.Date, java.util.Calendar, and java.sql.Timestamp; extending it to java.time.Instant would be very helpful in environments using Java 8.
Java 8
If we make Instants print as #inst like java.util.Date, it could change roundtripping (a read #inst is by default a j.u.Date)
This would be nice when Java 8 is soon baseline for Clojure.
CLJ-2224-p1.patch adds a print-method, print-dup, and read-instant-instant for java.time.Instant.
Clojure 1.10+ only support Java 8+
https://github.com/clojure/clojure/blob/master/changes.md#11-java
Now “all supported java versions” have java.time.Instant
p1.patch was out of date, CLJ-2224-p2.patch brings it up to date with current master.