NOBUG expose a version public api. Handy to check if the compilation was made with simd or not.

Cargo.toml

@@ -34,6 +34,7 @@ lz4 = "1.13"
 time = "0.1"
 uuid = "0.1"
 chan = "0.1"
+version = "2"
 crossbeam = "0.2"
 
 [dev-dependencies]

src/lib.rs

@@ -26,6 +26,9 @@ extern crate lazy_static;
 #[macro_use]
 extern crate log;
 
+#[macro_use]
+extern crate version;
+
 #[macro_use]
 extern crate fst;
 extern crate byteorder;
@@ -111,7 +114,15 @@ pub use postings::DocSet;
 pub use postings::Postings;
 pub use postings::SegmentPostingsOption;
 
+#[cfg(feature="simdcompression")]
+pub fn version() -> &'static str {
+    concat!(version!(), "-simd")  
+}
 
+#[cfg(not(feature="simdcompression"))]
+pub fn version() -> &'static str {
+    concat!(version!(), "-nosimd") 
+}
 
 /// Tantivy's makes it possible to personalize when 
 /// the indexer should merge its segments