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20 lines
504 B
20 lines
504 B
4 years ago
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use std::fs::File;
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use std::io::ErrorKind;
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fn main() {
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let f = File::open("hello.txt");
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let f = match f {
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Ok(file) => file,
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Err(error) => match error.kind() {
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ErrorKind::NotFound => match File::create("hello.txt") {
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Ok(fc) => fc,
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Err(e) => panic!("Problem creating the file: {:?}", e),
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},
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other_error => {
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panic!("Problem opening the file: {:?}", other_error)
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}
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},
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};
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}
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