Rename Span::unstable to Span::unwrap
diff --git a/src/wrapper.rs b/src/wrapper.rs
index 8ead052..f2121be 100644
--- a/src/wrapper.rs
+++ b/src/wrapper.rs
@@ -460,7 +460,7 @@
         }
     }
 
-    pub fn unstable(self) -> proc_macro::Span {
+    pub fn unwrap(self) -> proc_macro::Span {
         match self {
             Span::Compiler(s) => s,
             Span::Fallback(_) => panic!("proc_macro::Span is only available in procedural macros"),