Put PackedEfNSeqVec behind ef_seq feature; make file_io feature non-default

Author: RagnarGrootKoerkamp

Cargo.toml

@@ -17,23 +17,25 @@ ensure_simd = "0.1.0"
 
 # Optional generate random sequences for testing. (Default enabled.)
 rand = { version = "0.9", features = ["small_rng"], optional = true }
-
 # Optional (de)serialization using epserde.
 epserde = { version = "0.8", optional = true }
-
 # Optional pyclass atrributes for some objects.
 pyo3 = { version = "0.25", features = ["extension-module"], optional = true }
-sux = "0.10.2"
+# Optional, for PackedEfNSeqVec
+sux = { version = "0.10.2", optional = true }
 # Optional, for reading PackedSeq[N]Vec directly from a file
 needletail = { version = "0.6.3", optional = true }
 
 [features]
 # Also needed for tests.
-default = ["rand", "file_io"]
+default = ["rand"]
 
 # Enables functions to read PackedNSeq directly from a file.
 file_io = ["needletail"]
 
+# Enables PackedEfNSeq
+ef_seq = ["sux"]
+
 # Hides the `simd` warnings when neither AVX2 nor NEON is detected.
 scalar = ["ensure_simd/scalar"]
 

src/lib.rs

@@ -119,7 +119,9 @@ mod packed_n_seq;
 mod packed_seq;
 mod padded_it;
 
+#[cfg(feature = "ef_seq")]
 pub mod packed_ef_n_seq;
+
 #[cfg(test)]
 mod test;