fn row<D: Display>(d: D, row: usize) -> String {
    let s = format!("{}", d);
    let chars: Vec<char> = s.chars().collect();
    assert!(chars.len() <= 64);
    let offset = row * 16;
    let space = ' ';
    (chars[offset..offset + 8])
        .iter()
        .chain(once(&space))
        .chain(chars[offset + 8..offset + 16].iter())
        .collect()
}
/// Returns the requested row (0 to 3)
Returns the requested row (0 to 3)
Returns the requested row ( 0 to 3 )
fn row<D: Display>(d: D, row: usize) -> String {
    let s = format!("{}", d);
    let chars: Vec<char> = s.chars().collect();
    assert!(chars.len() <= 64);
    let offset = row * 16;
    let space = ' ';
    (chars[offset..offset + 8])
        .iter()
        .chain(once(&space))
        .chain(chars[offset + 8..offset + 16].iter())
        .collect()
}
fn row < D : Display > ( d : D , row : usize ) -> String { let s = format ! ( " " d ) ; let chars : Vec < char > = s . chars ( ) . collect ( ) ; assert ! ( chars len ( ) 64 ) ; let offset = row * 16 ; let space = ' ' ; ( chars [ offset .. offset + 8 ] ) . iter ( ) . chain ( once ( & space ) ) . chain ( chars [ offset + 8 .. offset + 16 ] . iter ( ) ) . collect ( ) }
Returns the requested row (0 to 3)
Returns the requested row ( 0 to 3 )
d
D
row
usize
d
D
row
usize