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// Copyright 2012 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.
//! Operations and constants for `u8`
pub use self::inst::is_ascii;
use num::NumCast;
mod inst {
pub type T = u8;
#[allow(non_camel_case_types)]
pub type T_SIGNED = i8;
pub static bits: uint = 8;
// Type-specific functions here. These must be reexported by the
// parent module so that they appear in core::u8 and not core::u8::u8;
pub fn is_ascii(x: T) -> bool { return 0 as T == x & 128 as T; }
}
impl NumCast for u8 {
/**
* Cast `n` to a `u8`
*/
#[inline(always)]
fn from<N:NumCast>(n: N) -> u8 { n.to_u8() }
#[inline(always)] fn to_u8(&self) -> u8 { *self }
#[inline(always)] fn to_u16(&self) -> u16 { *self as u16 }
#[inline(always)] fn to_u32(&self) -> u32 { *self as u32 }
#[inline(always)] fn to_u64(&self) -> u64 { *self as u64 }
#[inline(always)] fn to_uint(&self) -> uint { *self as uint }
#[inline(always)] fn to_i8(&self) -> i8 { *self as i8 }
#[inline(always)] fn to_i16(&self) -> i16 { *self as i16 }
#[inline(always)] fn to_i32(&self) -> i32 { *self as i32 }
#[inline(always)] fn to_i64(&self) -> i64 { *self as i64 }
#[inline(always)] fn to_int(&self) -> int { *self as int }
#[inline(always)] fn to_f32(&self) -> f32 { *self as f32 }
#[inline(always)] fn to_f64(&self) -> f64 { *self as f64 }
#[inline(always)] fn to_float(&self) -> float { *self as float }
}
#[test]
fn test_numcast() {
assert!((20u == 20u8.to_uint()));
assert!((20u8 == 20u8.to_u8()));
assert!((20u16 == 20u8.to_u16()));
assert!((20u32 == 20u8.to_u32()));
assert!((20u64 == 20u8.to_u64()));
assert!((20i == 20u8.to_int()));
assert!((20i8 == 20u8.to_i8()));
assert!((20i16 == 20u8.to_i16()));
assert!((20i32 == 20u8.to_i32()));
assert!((20i64 == 20u8.to_i64()));
assert!((20f == 20u8.to_float()));
assert!((20f32 == 20u8.to_f32()));
assert!((20f64 == 20u8.to_f64()));
assert!((20u8 == NumCast::from(20u)));
assert!((20u8 == NumCast::from(20u8)));
assert!((20u8 == NumCast::from(20u16)));
assert!((20u8 == NumCast::from(20u32)));
assert!((20u8 == NumCast::from(20u64)));
assert!((20u8 == NumCast::from(20i)));
assert!((20u8 == NumCast::from(20i8)));
assert!((20u8 == NumCast::from(20i16)));
assert!((20u8 == NumCast::from(20i32)));
assert!((20u8 == NumCast::from(20i64)));
assert!((20u8 == NumCast::from(20f)));
assert!((20u8 == NumCast::from(20f32)));
assert!((20u8 == NumCast::from(20f64)));
assert!((20u8 == num::cast(20u)));
assert!((20u8 == num::cast(20u8)));
assert!((20u8 == num::cast(20u16)));
assert!((20u8 == num::cast(20u32)));
assert!((20u8 == num::cast(20u64)));
assert!((20u8 == num::cast(20i)));
assert!((20u8 == num::cast(20i8)));
assert!((20u8 == num::cast(20i16)));
assert!((20u8 == num::cast(20i32)));
assert!((20u8 == num::cast(20i64)));
assert!((20u8 == num::cast(20f)));
assert!((20u8 == num::cast(20f32)));
assert!((20u8 == num::cast(20f64)));
}
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