fn read<T: std::str::FromStr>() -> Result<T, T::Err> {
    // flush in case we use `print!()` before `read()`
    io::stdout().flush().unwrap();

    // read a line of text
    let mut input = String::new();
    io::stdin().read_line(&mut input).unwrap();

    // remove whitespace and convert to the requested return type
    input.trim().parse()
}
/// reads a value from stdin
/// 
/// this requires that the user only inputs one item per line
reads a value from stdin
this requires that the user only inputs one item per line
reads a value from stdin this requires that the user only inputs one item per line
fn read<T: std::str::FromStr>() -> Result<T, T::Err> {
    // flush in case we use `print!()` before `read()`
    io::stdout().flush().unwrap();
    // read a line of text
    let mut input = String::new();
    io::stdin().read_line(&mut input).unwrap();
    // remove whitespace and convert to the requested return type
    input.trim().parse()
}
fn read < T : std :: str :: FromStr > ( ) -> Result < T , T :: Err > { // flush in case we use `print!()` before `read()` io :: stdout ( ) . flush ( ) . unwrap ( ) ; // read a line of text let mut input = String :: new ( ) ; io :: stdin ( ) . read_line ( & mut input ) . unwrap ( ) ; // remove whitespace and convert to the requested return type input . trim ( ) . parse ( ) }
reads a value from stdin
this requires that the user only inputs one item per line
reads a value from stdin this requires that the user only inputs one item per line