Clarify masking of bits in Field::random impls

Co-Authored-By: Daira Hopwood <daira@jacaranda.org>
2019-07-26 19:43:42 +01:00 · 2019-07-26 19:43:42 +01:00 · 312141c7fc
parent 89a68e121d
commit 312141c7fc
1 changed files with 1 additions and 1 deletions
--- a/ff_derive/src/lib.rs
+++ b/ff_derive/src/lib.rs
@ -892,7 +892,7 @@ fn prime_field_impl(
                        #name(#repr(repr))
                    };

-                    // Mask away the unused bits at the beginning.
+                    // Mask away the unused most-significant bits.
                    tmp.0.as_mut()[#top_limb_index] &= 0xffffffffffffffff >> REPR_SHAVE_BITS;

                    if tmp.is_valid() {