Single-header library available on Github: https://github.com/zserge/fenster https://github.com/zserge/fenster Nb. found via lobste.rs but thread dead there so

Single-header library available on Github: https://github.com/zserge/fenster https://github.com/zserge/fenster Nb. found via lobste.rs but thread dead there so worth an HN post since content is absolutely superb (as is usual from zserge!)