commit 89f7578361971345ff1a4d6a291e37606ee71244
author Alex Crichton <alex@alexcrichton.com> Mon Feb 27 13:35:55 2017 -0600
committer GitHub <noreply@github.com> Mon Feb 27 13:35:55 2017 -0600
tree 07494586ed138bea72350724776aaf2691df34b7
parent 9ba6797af719fab8f970384923325af55a40ab32
parent 336da9590350110e0fb3c2477d7da6216e5b1d84

Merge pull request #137 from jacwah/derive-debug

Derive Debug for distibutions

.travis.yml

diff --git a/.travis.yml b/.travis.yml
index 2c5dbd6..73058dc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,10 @@
   - pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
 script:
   - cargo build --verbose
+  - ([ $TRAVIS_RUST_VERSION != nightly ] || cargo build --verbose --features nightly)
   - cargo test --verbose
-  - cargo doc --no-deps
+  - ([ $TRAVIS_RUST_VERSION != nightly ] || cargo test --verbose --features nightly)
+  - ([ $TRAVIS_RUST_VERSION != nightly ] || cargo doc --no-deps --features nightly)
 after_success:
   - travis-cargo --only nightly doc-upload
 env:

Cargo.toml

diff --git a/Cargo.toml b/Cargo.toml
index 755b6f1..393ec45 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,10 @@
 keywords = ["random", "rng"]
 categories = ["algorithms"]
 
+[features]
+i128_support = []
+nightly = ["i128_support"]
+
 [dependencies]
 libc = "0.2"
 

appveyor.yml

diff --git a/appveyor.yml b/appveyor.yml
index 4a61042..9085347 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,3 +15,4 @@
 
 test_script:
   - cargo test --verbose --target %TARGET%
+  - cargo test --verbose --target %TARGET% --features nightly

src/lib.rs

diff --git a/src/lib.rs b/src/lib.rs
index 955a3c8..fd0fbf0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -243,6 +243,8 @@
 
 #![deny(missing_debug_implementations)]
 
+#![cfg_attr(feature = "i128_support", feature(i128_type))]
+
 #[cfg(test)] #[macro_use] extern crate log;
 
 
@@ -292,7 +294,7 @@
     ///
     /// This rarely needs to be called directly, prefer `r.gen()` to
     /// `r.next_u32()`.
-    // FIXME #7771: Should be implemented in terms of next_u64
+    // FIXME #rust-lang/rfcs#628: Should be implemented in terms of next_u64
     fn next_u32(&mut self) -> u32;
 
     /// Return the next random u64.

src/rand_impls.rs

diff --git a/src/rand_impls.rs b/src/rand_impls.rs
index 5a7e3de..a9cf5d9 100644
--- a/src/rand_impls.rs
+++ b/src/rand_impls.rs
@@ -54,6 +54,14 @@
     }
 }
 
+#[cfg(feature = "i128_support")]
+impl Rand for i128 {
+    #[inline]
+    fn rand<R: Rng>(rng: &mut R) -> i128 {
+        rng.gen::<u128>() as i128
+    }
+}
+
 impl Rand for usize {
     #[inline]
     fn rand<R: Rng>(rng: &mut R) -> usize {
@@ -93,6 +101,15 @@
     }
 }
 
+#[cfg(feature = "i128_support")]
+impl Rand for u128 {
+    #[inline]
+    fn rand<R: Rng>(rng: &mut R) -> u128 {
+        ((rng.next_u64() as u128) << 64) | (rng.next_u64() as u128)
+    }
+}
+
+
 macro_rules! float_impls {
     ($mod_name:ident, $ty:ty, $mantissa_bits:expr, $method_name:ident) => {
         mod $mod_name {