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13 lines
329 B
Rust
13 lines
329 B
Rust
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fn main() {
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fn f() -> Option<i32> {
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Some("fffffffsssssssssddddssssfffffddddff").map(|s| s).map(|s| s.to_string()).map(|res| {
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match Some(res) {
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Some(ref s) if s == "" => 41,
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Some(_) => 42,
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_ => 43,
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}
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})
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}
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println!("{:?}", f())
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}
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