rust/tests/pretty/block-disambig.rs

60 lines
1.1 KiB
Rust

//@ compile-flags: --crate-type=lib
// A bunch of tests for syntactic forms involving blocks that were
// previously ambiguous (e.g., 'if true { } *val;' gets parsed as a
// binop)
use std::cell::Cell;
fn test1() { let val = &0; { } *val; }
fn test2() -> isize { let val = &0; { } *val }
#[derive(Copy, Clone)]
struct S { eax: isize }
fn test3() {
let regs = &Cell::new(S {eax: 0});
match true { true => { } _ => { } }
regs.set(S {eax: 1});
}
fn test4() -> bool { let regs = &true; if true { } *regs || false }
fn test5() -> (isize, isize) { { } (0, 1) }
fn test6() -> bool { { } (true || false) && true }
fn test7() -> usize {
let regs = &0;
match true { true => { } _ => { } }
(*regs < 2) as usize
}
fn test8() -> isize {
let val = &0;
match true {
true => { }
_ => { }
}
if *val < 1 {
0
} else {
1
}
}
fn test9() {
let regs = &Cell::new(0);
match true { true => { } _ => { } } regs.set(regs.get() + 1);
}
fn test10() -> isize {
let regs = vec![0];
match true { true => { } _ => { } }
regs[0]
}
fn test11() -> Vec<isize> { if true { } vec![1, 2] }