Fixes a compile error in one of the tests on current rust nightly (1.36.0):
error: unused return value of `std::result::Result::<T, E>::is_err` that must be used
--> src/crypto/key_pair.rs:48:3
|
48 | verify(&keypair.public, b"oops", Some(&sig)).is_err();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
Fixes a compile error in one of the tests on current rust nightly (1.36.0):