1 use crate::span::Id; 2 3 #[derive(Debug)] 4 pub(crate) enum Parent { 5 /// The new span will be a root span. 6 Root, 7 /// The new span will be rooted in the current span. 8 Current, 9 /// The new span has an explicitly-specified parent. 10 Explicit(Id), 11 } 12