Comment by MaxBarraclough

I'm reminded of a 2008 article, Why is D/Tango so fast at parsing XML? [0]

One of the main factors seems to be that a lot of XML parser libraries, even the high-profile ones, did a lot of unnecessary copy operations. D's language features made it easy and safe to avoid unnecessary copying.

I wonder what became of that Tango code.

[0] https://web.archive.org/web/20140821164709/http://dotnot.org... , see also reddit discussion where WalterBright makes an appearance, https://old.reddit.com/r/programming/comments/6bt6n/why_is_d...