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fix: handle EOF in user input prompts #1293

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  • Add proper EOF detection in ask() function
  • Print " -> EOF" message when EOF is received
  • Treat EOF as negative response
  • Handle input read errors explicitly

closes #1190

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- Add proper EOF detection in ask() function
- Print " -> EOF" message when EOF is received
- Treat EOF as negative response
- Handle input read errors explicitly

closes Morganamilo#1190
false
match stdin.read_line(&mut input) {
Ok(0) => {
println!(" -> EOF");
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Pacman doesn't print anything for this. In fact it doesn't even print a new line.

Paru tries to match pacman when possible so negative on EOF is good but I don't think we should print anything but a new line. Otherwise it kind of messes up the input. I'll see about changing pacman to be like that too.

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Exit on Receving EOF
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