1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
// run-pass
#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_imports)]
#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(deprecated, deprecated_in_future)]
// aux-build:i8.rs
extern crate i8;
use std::string as i16;
static i32: i32 = 0;
const i64: i64 = 0;
fn u8(f32: f32) {}
fn f<f64>(f64: f64) {}
enum u32 {}
struct u64;
trait bool {}
mod char {
extern crate i8;
static i32_: i32 = 0;
const i64_: i64 = 0;
fn u8_(f32: f32) {}
fn f_<f64_>(f64: f64_) {}
type u16_ = u16;
enum u32_ {}
struct u64_;
trait bool_ {}
mod char_ {}
mod str {
use super::i8 as i8;
use super::i32_ as i32;
use super::i64_ as i64;
use super::u8_ as u8;
use super::f_ as f64;
use super::u16_ as u16;
use super::u32_ as u32;
use super::u64_ as u64;
use super::bool_ as bool;
use super::{bool_ as str};
use super::char_ as char;
}
}
trait isize_ {
type isize;
}
fn usize<'usize>(usize: &'usize usize) -> &'usize usize { usize }
mod reuse {
use std::mem::size_of;
type u8 = u64;
use std::string::String as i16;
pub fn check<u16>() {
assert_eq!(size_of::<u8>(), 8);
assert_eq!(size_of::<::u64>(), 0);
assert_eq!(size_of::<i16>(), 3 * size_of::<*const ()>());
assert_eq!(size_of::<u16>(), 0);
}
}
mod guard {
pub fn check() {
use std::u8; // bring module u8 in scope
fn f() -> u8 { // OK, resolves to primitive u8, not to std::u8
u8::max_value() // OK, resolves to associated function <u8>::max_value,
// not to non-existent std::u8::max_value
}
assert_eq!(f(), u8::MAX); // OK, resolves to std::u8::MAX
}
}
fn main() {
let bool = true;
let _ = match bool {
str @ true => if str { i32 as i64 } else { i64 },
false => i64,
};
reuse::check::<u64>();
guard::check();
}
|
