termenu 2.3.3

A fzf-like library for terminal applications
Documentation 
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macro_rules! term_print {
    ($content:expr) => {
        term_exec!(crossterm::style::Print($content));
    };
}
pub(crate) use term_print;

macro_rules! term_printf {
    ($content:expr, $($arg:tt)*) => {
        term_exec!(crossterm::style::Print(format!($content, $($arg)*)));
    };
}
pub(crate) use term_printf;

macro_rules! term_cursor_down {
    ($content:expr) => {
        term_exec!(crossterm::cursor::MoveToNextLine($content));
    };
}
pub(crate) use term_cursor_down;

macro_rules! term_cursor_col {
    ($content:expr) => {
        term_exec!(crossterm::cursor::MoveToColumn($content));
    };
}
pub(crate) use term_cursor_col;

macro_rules! term_cursor_move {
    ($row:expr, $col:expr) => {
        term_exec!(crossterm::cursor::MoveTo($col, $row));
    };
}
pub(crate) use term_cursor_move;

macro_rules! term_clear_from_cursor_down {
    () => {
        term_exec!(crossterm::terminal::Clear(
            crossterm::terminal::ClearType::FromCursorDown
        ));
    };
}
pub(crate) use term_clear_from_cursor_down;

macro_rules! term_exec {
    ($content:expr) => {
        // let mut tty = std::fs::OpenOptions::new().write(true).open("/dev/tty")?;
        // crossterm::execute!(tty, $content)?;
        crossterm::execute!(std::io::stderr(), $content)?;
    };
}
pub(crate) use term_exec;

macro_rules! ignore_io_error {
    ($body:expr) => {
        let _ = (|| -> std::io::Result<()> {
            $body;
            Ok(())
        })();
    };
}
pub(crate) use ignore_io_error;

/// search leftward from the given position to find the previous char boundary
macro_rules! prev_boundary {
    ($s:expr, $pos:expr) => {{
        if $pos == 0 {
            0
        } else {
            let mut pos = $pos - 1;
            while !$s.is_char_boundary(pos) {
                pos -= 1;
            }
            pos
        }
    }};
}

macro_rules! next_boundary {
    ($s:expr, $pos:expr) => {{
        let mut pos = $pos + 1;
        while !$s.is_char_boundary(pos) {
            pos += 1;
        }
        pos
    }};
}

macro_rules! get_insert_pos {
    ($s:expr, $idx:expr) => {{
        let mut insert_pos = 0;
        for (i, c) in $s.chars().enumerate() {
            if i == $idx {
                break;
            }
            insert_pos += c.len_utf8();
        }
        insert_pos
    }};
}
pub(crate) use get_insert_pos;