Set the Rand depenency to optional
- #47 Fix incorrect use of atomic variable in
src/perf_trace.rs
- #35 Change
test_rngto returnimpl Rng, and make the output randomized by default when thestdfeature is set. Introduces aDETERMINISTIC_TEST_RNGenvironment variable that forces the old deterministic behavior whenDETERMINISTIC_TEST_RNG=1is set.
- #32 Bump
randto 0.8 and remove the use ofrand_xorshift.
- #34 Re-export
num_traits::{One, Zero}fromark-std.