def tokens.go
import emerging-ezjson@1.3.0.0/src/lex.bend as Leximport Base
409# match only the text, so a literal unrolls. The tail is where the next span starts
410def tokens.go(txt: String, st: Scan) -> List<&2, Tok>:
411 match txt:
412 case SNil{}:
413 tokens.end(st)
414 case SCon{+c, +t}:
415 tokens.go(t, tokens.feed(c, t, st))