52 lines
1.1 KiB
Rust
52 lines
1.1 KiB
Rust
// run-pass
|
|
#![allow(unused_braces)]
|
|
#![allow(unused_comparisons)]
|
|
#![allow(dead_code)]
|
|
#![allow(unused_mut)]
|
|
// Test range syntax.
|
|
|
|
|
|
fn foo() -> isize { 42 }
|
|
|
|
// Test that range syntax works in return statements
|
|
fn return_range_to() -> ::std::ops::RangeTo<i32> { return ..1; }
|
|
fn return_full_range() -> ::std::ops::RangeFull { return ..; }
|
|
|
|
pub fn main() {
|
|
let mut count = 0;
|
|
for i in 0_usize..10 {
|
|
assert!(i >= 0 && i < 10);
|
|
count += i;
|
|
}
|
|
assert_eq!(count, 45);
|
|
|
|
let mut count = 0;
|
|
let mut range = 0_usize..10;
|
|
for i in range {
|
|
assert!(i >= 0 && i < 10);
|
|
count += i;
|
|
}
|
|
assert_eq!(count, 45);
|
|
|
|
let mut count = 0;
|
|
let mut rf = 3_usize..;
|
|
for i in rf.take(10) {
|
|
assert!(i >= 3 && i < 13);
|
|
count += i;
|
|
}
|
|
assert_eq!(count, 75);
|
|
|
|
let _ = 0_usize..4+4-3;
|
|
let _ = 0..foo();
|
|
|
|
let _ = { &42..&100 }; // references to literals are OK
|
|
let _ = ..42_usize;
|
|
|
|
// Test we can use two different types with a common supertype.
|
|
let x = &42;
|
|
{
|
|
let y = 42;
|
|
let _ = x..&y;
|
|
}
|
|
}
|