S:{s::0|x&d-w} / s set E:{a::?[a;x;y];K(*x…

Twetch · August 6, 2019

S:{s::0|x&d-w} / s set
E:{a::?[a;x;y];K(*x)+#y} / a edit
U:{u,:,(+\(*k),#x;*k_a);E[k]x} / u undo update and edit