84 lines
1.9 KiB
Rust
84 lines
1.9 KiB
Rust
// Closures
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fn main() {
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let square = (|i: i32| i * i);
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let commented = |// first
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a, // argument
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// second
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b: WithType, // argument
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// ignored
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_| {
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(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb)
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};
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let block_body = move |xxxxxxxxxxxxxxxxxxxxxxxxxxxxx,
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ref yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy| {
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xxxxxxxxxxxxxxxxxxxxxxxxxxxxx + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
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};
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let loooooooooooooong_name = |field| {
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// TODO(#27): format comments.
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if field.node.attrs.len() > 0 {
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field.node.attrs[0].span.lo
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} else {
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field.span.lo
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}
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};
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let block_me = |field| if true_story() {
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1
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} else {
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2
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};
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let unblock_me = |trivial| closure();
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let empty = |arg| {};
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let simple = |arg| {
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// TODO(#27): comment formatting
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foo(arg)
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};
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let test = || {
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do_something();
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do_something_else();
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};
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let arg_test = |big_argument_name, test123| {
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looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
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};
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let arg_test = |big_argument_name, test123| {
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looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
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};
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let simple_closure = move || -> () {};
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let closure = |input: Ty| -> Option<String> { foo() };
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let closure_with_return_type = |aaaaaaaaaaaaaaaaaaaaaaarg1,
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aaaaaaaaaaaaaaaaaaaaaaarg2|
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-> Strong {
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"sup".to_owned()
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};
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|arg1, arg2, _, _, arg3, arg4| {
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let temp = arg4 + arg3;
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arg2 * arg1 - temp
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}
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}
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fn issue311() {
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let func = |x| println!("{}", x);
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(func)(0.0);
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}
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fn issue863() {
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let closure = |x| match x {
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0 => true,
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_ => false,
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} == true;
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}
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