def props.advance
import gralha-svg-render@0.1.0.1/svg.bend as Svgimport Base
import gralha-text-scan@0.1.0.1/scan.bend as U
import gralha-xml-doc@0.1.0.1/xml.bend as XML
2010def props.advance(parent: List<&2, XML.Attr>, +key: String) -> List<&2, XML.Attr>:
2011 match parent:
2012 case Nil{}: Nil{}
2013 case Con{XML.Attr{k, v}, t}:
2014 +kk = k
2015 +tt = t
2016 props.advance.pick(U.string.equal(kk, key), Con{XML.Attr{kk, v}, tt}, tt)