rust/tests/target/closure.rs
2017-05-25 15:50:46 +09:00

153 lines
4.1 KiB
Rust

// rustfmt-normalize_comments: true
// Closures
fn main() {
let square = (|i: i32| i * i);
let commented =
|// first
a, // argument
// second
b: WithType, // argument
// ignored
_| (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);
let block_body = move |xxxxxxxxxxxxxxxxxxxxxxxxxxxxx,
ref yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy| {
xxxxxxxxxxxxxxxxxxxxxxxxxxxxx + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
};
let loooooooooooooong_name = |field| {
// format comments.
if field.node.attrs.len() > 0 {
field.node.attrs[0].span.lo
} else {
field.span.lo
}
};
let unblock_me = |trivial| closure();
let empty = |arg| {};
let simple = |arg| {
// comment formatting
foo(arg)
};
let test = || {
do_something();
do_something_else();
};
let arg_test =
|big_argument_name, test123| looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame();
let arg_test =
|big_argument_name, test123| looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame();
let simple_closure = move || -> () {};
let closure = |input: Ty| -> Option<String> { foo() };
let closure_with_return_type =
|aaaaaaaaaaaaaaaaaaaaaaarg1, aaaaaaaaaaaaaaaaaaaaaaarg2| -> Strong { "sup".to_owned() };
|arg1, arg2, _, _, arg3, arg4| {
let temp = arg4 + arg3;
arg2 * arg1 - temp
}
}
fn issue311() {
let func = |x| println!("{}", x);
(func)(0.0);
}
fn issue863() {
let closure = |x| match x {
0 => true,
_ => false,
} == true;
}
fn issue934() {
let hash: &Fn(&&Block) -> u64 = &|block| -> u64 {
let mut h = SpanlessHash::new(cx);
h.hash_block(block);
h.finish()
};
let hash: &Fn(&&Block) -> u64 = &|block| -> u64 {
let mut h = SpanlessHash::new(cx);
h.hash_block(block);
h.finish();
};
}
impl<'a, 'tcx: 'a> SpanlessEq<'a, 'tcx> {
pub fn eq_expr(&self, left: &Expr, right: &Expr) -> bool {
match (&left.node, &right.node) {
(&ExprBinary(l_op, ref ll, ref lr), &ExprBinary(r_op, ref rl, ref rr)) => {
l_op.node == r_op.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr) ||
swap_binop(l_op.node, ll, lr).map_or(false, |(l_op, ll, lr)| {
l_op == r_op.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr)
})
}
}
}
}
fn foo() {
lifetimes_iter___map(|lasdfasfd| {
let hi = if l.bounds.is_empty() {
l.lifetime.span.hi
};
});
}
fn issue1405() {
open_raw_fd(fd, b'r').and_then(|file| {
Capture::new_raw(None, |_, err| unsafe { raw::pcap_fopen_offline(file, err) })
});
}
fn issue1466() {
let vertex_buffer = frame.scope(|ctx| {
let buffer = ctx.create_host_visible_buffer::<VertexBuffer<Vertex>>(&vertices);
ctx.create_device_local_buffer(buffer)
});
}
fn issue470() {
{
{
{
let explicit_arg_decls = explicit_arguments
.into_iter()
.enumerate()
.map(|(index, (ty, pattern))| {
let lvalue = Lvalue::Arg(index as u32);
block = this.pattern(block,
argument_extent,
hair::PatternRef::Hair(pattern),
&lvalue);
ArgDecl { ty: ty }
});
}
}
}
}
// #1509
impl Foo {
pub fn bar(&self) {
Some(SomeType {
push_closure_out_to_100_chars: iter(otherwise_it_works_ok
.into_iter()
.map(|f| Ok(f))),
})
}
}