rust/tests/target/closure.rs

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// Closures
fn main() {
let square = (|i: i32| i * i);
let commented = |// first
a, // argument
// second
b: WithType, // argument
// ignored
_| {
(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb)
};
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let block_body = move |xxxxxxxxxxxxxxxxxxxxxxxxxxxxx,
ref yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy| {
xxxxxxxxxxxxxxxxxxxxxxxxxxxxx + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
};
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let loooooooooooooong_name = |field| {
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// TODO(#27): format comments.
if field.node.attrs.len() > 0 {
field.node.attrs[0].span.lo
} else {
field.span.lo
}
};
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let block_me = |field| {
if true_story() {
1
} else {
2
}
};
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let unblock_me = |trivial| closure();
let empty = |arg| {};
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let simple = |arg| {
// TODO(#27): comment formatting
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foo(arg)
};
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let test = || {
do_something();
do_something_else();
};
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let arg_test = |big_argument_name, test123| {
looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
};
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let arg_test = |big_argument_name, test123| {
looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
};
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let simple_closure = move || -> () {};
let closure = |input: Ty| -> Option<String> { foo() };
let closure_with_return_type = |aaaaaaaaaaaaaaaaaaaaaaarg1,
aaaaaaaaaaaaaaaaaaaaaaarg2|
-> Strong {
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"sup".to_owned()
};
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|arg1, arg2, _, _, arg3, arg4| {
let temp = arg4 + arg3;
arg2 * arg1 - temp
}
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}
fn issue311() {
let func = |x| println!("{}", x);
(func)(0.0);
}