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-rw-r--r--src/test/ui/run-pass/traits/trait-inheritance-num2.rs95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/traits/trait-inheritance-num2.rs b/src/test/ui/run-pass/traits/trait-inheritance-num2.rs
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+++ b/src/test/ui/run-pass/traits/trait-inheritance-num2.rs
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+// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// A more complex example of numeric extensions
+
+pub trait TypeExt {}
+
+impl TypeExt for u8 {}
+impl TypeExt for u16 {}
+impl TypeExt for u32 {}
+impl TypeExt for u64 {}
+impl TypeExt for usize {}
+
+impl TypeExt for i8 {}
+impl TypeExt for i16 {}
+impl TypeExt for i32 {}
+impl TypeExt for i64 {}
+impl TypeExt for isize {}
+
+impl TypeExt for f32 {}
+impl TypeExt for f64 {}
+
+
+pub trait NumExt: TypeExt + PartialEq + PartialOrd {}
+
+impl NumExt for u8 {}
+impl NumExt for u16 {}
+impl NumExt for u32 {}
+impl NumExt for u64 {}
+impl NumExt for usize {}
+
+impl NumExt for i8 {}
+impl NumExt for i16 {}
+impl NumExt for i32 {}
+impl NumExt for i64 {}
+impl NumExt for isize {}
+
+impl NumExt for f32 {}
+impl NumExt for f64 {}
+
+
+pub trait UnSignedExt: NumExt {}
+
+impl UnSignedExt for u8 {}
+impl UnSignedExt for u16 {}
+impl UnSignedExt for u32 {}
+impl UnSignedExt for u64 {}
+impl UnSignedExt for usize {}
+
+
+pub trait SignedExt: NumExt {}
+
+impl SignedExt for i8 {}
+impl SignedExt for i16 {}
+impl SignedExt for i32 {}
+impl SignedExt for i64 {}
+impl SignedExt for isize {}
+
+impl SignedExt for f32 {}
+impl SignedExt for f64 {}
+
+
+pub trait IntegerExt: NumExt {}
+
+impl IntegerExt for u8 {}
+impl IntegerExt for u16 {}
+impl IntegerExt for u32 {}
+impl IntegerExt for u64 {}
+impl IntegerExt for usize {}
+
+impl IntegerExt for i8 {}
+impl IntegerExt for i16 {}
+impl IntegerExt for i32 {}
+impl IntegerExt for i64 {}
+impl IntegerExt for isize {}
+
+
+pub trait FloatExt: NumExt {}
+
+impl FloatExt for f32 {}
+impl FloatExt for f64 {}
+
+
+fn test_float_ext<T:FloatExt>(n: T) { println!("{}", n < n) }
+
+pub fn main() {
+    test_float_ext(1f32);
+}