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Update read_lines example to flatten iterator #1742

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Sep 26, 2023
Merged

Update read_lines example to flatten iterator #1742

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6 changes: 2 additions & 4 deletions src/std_misc/file/read_lines.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,10 +56,8 @@ fn main() {
// File hosts.txt must exist in the current path
if let Ok(lines) = read_lines("./hosts.txt") {
// Consumes the iterator, returns an (Optional) String
for line in lines {
if let Ok(ip) = line {
println!("{}", ip);
}
for line in lines.flatten() {
println!("{}", line);
}
}
}
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