45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
use dialoguer::{theme::ColorfulTheme, Completion, Input};
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fn main() -> Result<(), std::io::Error> {
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println!("Use the Right arrow or Tab to complete your command");
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let completion = MyCompletion::default();
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Input::<String>::with_theme(&ColorfulTheme::default())
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.with_prompt("dialoguer")
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.completion_with(&completion)
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.interact_text()?;
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Ok(())
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}
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struct MyCompletion {
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options: Vec<String>,
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}
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impl Default for MyCompletion {
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fn default() -> Self {
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MyCompletion {
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options: vec![
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"orange".to_string(),
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"apple".to_string(),
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"banana".to_string(),
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],
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}
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}
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}
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impl Completion for MyCompletion {
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/// Simple completion implementation based on substring
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fn get(&self, input: &str) -> Option<String> {
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let matches = self
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.options
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.iter()
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.filter(|option| option.starts_with(input))
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.collect::<Vec<_>>();
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if matches.len() == 1 {
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Some(matches[0].to_string())
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} else {
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None
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}
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}
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}
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