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extern crate skim;
use skim::prelude::*;
use std::io::Cursor;

#[cfg(feature = "malloc_trim")]
#[cfg(target_os = "linux")]
#[cfg(target_env = "gnu")]
use crate::malloc_trim;

pub fn main() {
    let options = SkimOptionsBuilder::default()
        .height(Some("50%"))
        .multi(true)
        .build()
        .unwrap();
    let item_reader = SkimItemReader::default();

    //==================================================
    // first run
    let input = "aaaaa\nbbbb\nccc";
    let (items, opt_ingest_handle) = item_reader.of_bufread(Box::new(Cursor::new(input)));
    let selected_items = Skim::run_with(&options, Some(items))
        .map(|out| out.selected_items)
        .unwrap_or_else(Vec::new);

    for item in selected_items.iter() {
        println!("{}", item.output());
    }

    if let Some(handle) = opt_ingest_handle {
        let _ = handle.join();
        #[cfg(feature = "malloc_trim")]
        #[cfg(target_os = "linux")]
        #[cfg(target_env = "gnu")]
        malloc_trim();
    }

    //==================================================
    // second run
    let input = "11111\n22222\n333333333";
    let (items, opt_ingest_handle) = item_reader.of_bufread(Box::new(Cursor::new(input)));
    let selected_items = Skim::run_with(&options, Some(items))
        .map(|out| out.selected_items)
        .unwrap_or_else(Vec::new);

    for item in selected_items.iter() {
        println!("{}", item.output());
    }

    if let Some(handle) = opt_ingest_handle {
        let _ = handle.join();
        #[cfg(feature = "malloc_trim")]
        #[cfg(target_os = "linux")]
        #[cfg(target_env = "gnu")]
        malloc_trim();
    }
}