fn read_char(state : &mut State) {
    let mut input = String::new();
    let mut ch : char = 0 as char;
    if let Ok(_) = io::stdin().read_line(&mut input) {
        if let Some(c) = input.chars().next(){
            ch = c;
        }
    }
    state.stack.push(util::char_to_i64(ch));
}
// read_char reads a character from the user
read_char reads a character from the user
read_char reads a character from the user
fn read_char(state : &mut State) {
    let mut input = String::new();
    let mut ch : char = 0 as char;
    if let Ok(_) = io::stdin().read_line(&mut input) {
        if let Some(c) = input.chars().next(){
            ch = c;
        }
    }
    state.stack.push(util::char_to_i64(ch));
}
fn read_char ( state : & mut State ) { let mut input = String :: new ( ) ; let mut ch : char = 0 as char ; if let Ok ( _ ) = io :: stdin ( ) . read_line ( & mut input ) { if let Some ( c ) = input . chars ( ) . next ( ) { ch = c ; } } state . stack . push ( util :: char_to_i64 ( ch ) ) ; }
read_char reads a character from the user
read_char reads a character from the user
state
&mut State
state
&mut State