Merge #108

108: Release 0.2.3 r=cuviper a=cuviper



Co-authored-by: Josh Stone <cuviper@gmail.com>

Cargo.toml

@@ -8,7 +8,7 @@ categories = [ "algorithms", "data-structures", "science" ]
 license = "MIT/Apache-2.0"
 name = "num-bigint"
 repository = "https://github.com/rust-num/num-bigint"
-version = "0.2.2"
+version = "0.2.3"
 readme = "README.md"
 build = "build.rs"
 

RELEASES.md

@@ -1,3 +1,16 @@
+# Release 0.2.3 (2019-09-03)
+
+- [`Pow` is now implemented for `BigUint` exponents][77].
+- [The optional `quickcheck` feature enables implementations of `Arbitrary`][99].
+- See the [full comparison][compare-0.2.3] for performance enhancements and more!
+
+[77]: https://github.com/rust-num/num-bigint/pull/77
+[99]: https://github.com/rust-num/num-bigint/pull/99
+[compare-0.2.3]: https://github.com/rust-num/num-bigint/compare/num-bigint-0.2.2...num-bigint-0.2.3
+
+**Contributors**: @cuviper, @lcnr, @maxbla, @mikelodder7, @mikong,
+@TheLetterTheta, @tspiteri, @XAMPPRocky, @youknowone
+
 # Release 0.2.2 (2018-12-14)
 
 - [The `Roots` implementations now use better initial guesses][71].

benches/shootout-pidigits.rs

@@ -109,9 +109,9 @@ fn pidigits(n: isize, out: &mut dyn io::Write) -> io::Result<()> {
             }
         }
 
-        try!(write!(out, "{}", d));
+        write!(out, "{}", d)?;
         if i % 10 == 0 {
-            try!(write!(out, "\t:{}\n", i));
+            write!(out, "\t:{}\n", i)?;
         }
 
         context.eliminate_digit(d);
@@ -120,9 +120,9 @@ fn pidigits(n: isize, out: &mut dyn io::Write) -> io::Result<()> {
     let m = n % 10;
     if m != 0 {
         for _ in m..10 {
-            try!(write!(out, " "));
+            write!(out, " ")?;
         }
-        try!(write!(out, "\t:{}\n", n));
+        write!(out, "\t:{}\n", n)?;
     }
     Ok(())
 }

src/bigint.rs

@@ -125,6 +125,7 @@ impl Arbitrary for BigInt {
         Self::from_biguint(sign, BigUint::arbitrary(g))
     }
 
+    #[allow(bare_trait_objects)] // `dyn` needs Rust 1.27 to parse, even when cfg-disabled
     fn shrink(&self) -> Box<Iterator<Item = Self>> {
         let sign = self.sign();
         let unsigned_shrink = self.data.shrink();
@@ -694,7 +695,7 @@ impl Num for BigInt {
         } else {
             Plus
         };
-        let bu = try!(BigUint::from_str_radix(s, radix));
+        let bu = BigUint::from_str_radix(s, radix)?;
         Ok(BigInt::from_biguint(sign, bu))
     }
 }

src/biguint.rs

@@ -58,6 +58,7 @@ impl Arbitrary for BigUint {
         Self::new(Vec::<u32>::arbitrary(g))
     }
 
+    #[allow(bare_trait_objects)] // `dyn` needs Rust 1.27 to parse, even when cfg-disabled
     fn shrink(&self) -> Box<Iterator<Item = Self>> {
         // Use shrinker from Vec
         Box::new(self.data.shrink().map(|x| BigUint::new(x)))
@@ -2424,7 +2425,7 @@ impl<'de> serde::Deserialize<'de> for BigUint {
     where
         D: serde::Deserializer<'de>,
     {
-        let data: Vec<u32> = try!(Vec::deserialize(deserializer));
+        let data: Vec<u32> = Vec::deserialize(deserializer)?;
         Ok(BigUint::new(data))
     }
 }