ref: 5cba683055fc3f2a19eb866b12b7d22b4516d5a1
dir: /sys/src/libdraw/fmt.c/
#include <u.h> #include <libc.h> #include <draw.h> int Rfmt(Fmt *f) { Rectangle r; r = va_arg(f->args, Rectangle); return fmtprint(f, "%P %P", r.min, r.max); } int Pfmt(Fmt *f) { Point p; p = va_arg(f->args, Point); return fmtprint(f, "[%d %d]", p.x, p.y); }