ext/pf2/src/sample.rs in pf2-0.6.0 vs ext/pf2/src/sample.rs in pf2-0.7.0

@@ -12,9 +12,10 @@
     pub ruby_thread: VALUE,
     pub timestamp: Instant,
     pub line_count: i32,
     pub frames: [VALUE; MAX_STACK_DEPTH],
     pub linenos: [i32; MAX_STACK_DEPTH],
+    /// First element represents the backtrace depth.
     pub c_backtrace_pcs: [usize; MAX_C_STACK_DEPTH + 1],
 }
 
 impl Sample {
     // Nearly async-signal-safe