Whence came UFCS?

[Joakim]

On Friday, 27 July 2018 at 03:41:29 UTC, Sameer Pradhan wrote:
> During our Boston D Meetup today, we went through and 
> deconstructed Walter's wonderfully elegant blog post from 2012 
> called "Component Programming in D"
>
> [...]

Extension methods were added to C# 3.0 in 2007, UFCS was 
discussed as a generalization of the concept to free functions at 
that year's DConf, fully implemented years later:

https://forum.dlang.org/thread/htjuut$av2$1@digitalmars.com