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| author | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-09-27 20:41:49 -0700 |
|---|---|---|
| committer | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2013-10-05 13:59:06 -0700 |
| commit | 41f9deb2ee660cf45bc583171cc7c43a4b3ef4d5 (patch) | |
| tree | 0f49892e12ab8a91e37612e4656ebe4cf994104d | |
| parent | 50fde8c024a30d01ed54a2d40eab7399bf1e7a3c (diff) | |
| download | rust-41f9deb2ee660cf45bc583171cc7c43a4b3ef4d5.tar.gz rust-41f9deb2ee660cf45bc583171cc7c43a4b3ef4d5.zip | |
std: add Primitive.is_signed
| -rw-r--r-- | src/libstd/num/f32.rs | 3 | ||||
| -rw-r--r-- | src/libstd/num/f64.rs | 3 | ||||
| -rw-r--r-- | src/libstd/num/int_macros.rs | 3 | ||||
| -rw-r--r-- | src/libstd/num/num.rs | 1 | ||||
| -rw-r--r-- | src/libstd/num/uint_macros.rs | 3 |
5 files changed, 13 insertions, 0 deletions
diff --git a/src/libstd/num/f32.rs b/src/libstd/num/f32.rs index 41a3d193379..2b4a636e1ad 100644 --- a/src/libstd/num/f32.rs +++ b/src/libstd/num/f32.rs @@ -590,6 +590,9 @@ impl Primitive for f32 { #[inline] fn bytes(_: Option<f32>) -> uint { Primitive::bits(Some(0f32)) / 8 } + + #[inline] + fn is_signed(_: Option<f32>) -> bool { true } } impl Float for f32 { diff --git a/src/libstd/num/f64.rs b/src/libstd/num/f64.rs index 772596d15fb..d4442e5b34f 100644 --- a/src/libstd/num/f64.rs +++ b/src/libstd/num/f64.rs @@ -638,6 +638,9 @@ impl Primitive for f64 { #[inline] fn bytes(_: Option<f64>) -> uint { Primitive::bits(Some(0f64)) / 8 } + + #[inline] + fn is_signed(_: Option<f64>) -> bool { true } } impl Float for f64 { diff --git a/src/libstd/num/int_macros.rs b/src/libstd/num/int_macros.rs index 1070e8e592f..7fae567809b 100644 --- a/src/libstd/num/int_macros.rs +++ b/src/libstd/num/int_macros.rs @@ -380,6 +380,9 @@ impl Primitive for $T { #[inline] fn bytes(_: Option<$T>) -> uint { bits / 8 } + + #[inline] + fn is_signed(_: Option<$T>) -> bool { true } } // String conversion functions and impl str -> num diff --git a/src/libstd/num/num.rs b/src/libstd/num/num.rs index bccb20de458..fde1928f4a3 100644 --- a/src/libstd/num/num.rs +++ b/src/libstd/num/num.rs @@ -286,6 +286,7 @@ pub trait Primitive: Clone // FIXME (#8888): Removing `unused_self` requires #8888 to be fixed. fn bits(unused_self: Option<Self>) -> uint; fn bytes(unused_self: Option<Self>) -> uint; + fn is_signed(unused_self: Option<Self>) -> bool; } /// A collection of traits relevant to primitive signed and unsigned integers diff --git a/src/libstd/num/uint_macros.rs b/src/libstd/num/uint_macros.rs index 45280482b87..f52feced67c 100644 --- a/src/libstd/num/uint_macros.rs +++ b/src/libstd/num/uint_macros.rs @@ -306,6 +306,9 @@ impl Primitive for $T { #[inline] fn bytes(_: Option<$T>) -> uint { bits / 8 } + + #[inline] + fn is_signed(_: Option<$T>) -> bool { false } } impl BitCount for $T { |