changed internal lifelines structure

src/core/draw/event.typ

@@ -6,23 +6,23 @@
   let i = ctx.pars-i.at(par-name)
   let par = ctx.participants.at(i)
   let line = ctx.lifelines.at(i)
-  let entry = (evt.event, ctx.y)
+  let entry = (type: evt.event, y: ctx.y)
 
   if evt.event == "disable" {
     line.level -= 1
   } else if evt.event == "enable" {
     line.level += 1
-    entry.push(evt.lifeline-style)
+    entry.insert("style", evt.lifeline-style)
   } else if evt.event == "create" {
     ctx.y -= CREATE-OFFSET
-    entry.at(1) = ctx.y
+    entry.y = ctx.y
     (par.draw)(par, y: ctx.y)
   } else if evt.event == "destroy" {
   } else {
     panic("Unknown event '" + evt.event + "'")
   }
 
-  line.lines.push(entry)
+  line.events.push(entry)
   set-ctx(c => {
     c.lifelines.at(i) = line
     c.y = ctx.y