def cut.e
import emerging-ezjson@1.3.0.0/src/fixed.bend as Fixedimport Base
44# a text cut at its first exponent mark: what is before it, and after it
45def cut.e(txt: String) -> String & String:
46 match txt:
47 case SNil{}:
48 ("", "")
49 case SCon{+hd, +tl}:
50 cut.at(mark.e(hd), hd, tl, _u => cut.e(tl))