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The original was posted on /r/programminglanguages by /u/NoCryptographer414 on 2024-11-04 19:01:17+00:00.

For eg, to create a date constant, the way is to invoke date constructor with possibly named arguments like let dt = Date(day=5, month=11, year=2024) Or if constructor supports string input, then let dt = Date("2024/11/05")

Would it be helpful for a language to provide a way to define custom literals as an alternate to string input? Like let dt = date#2024/11/05 This internally should do string parsing anyways, and hence is exactly same as above example.

But I was wondering weather a separate syntax for defining custom literals would make the code a little bit neater rather than using a bunch of strings everywhere.

Also, maybe the IDE can do a better syntax highlighting for these literals instead of generic colour used by all strings. Wanted to hear your opinions on this feature for a language.