// Write three-column lines with the folded stack trace and two value columns,
// one for each profile.
Write three-column lines with the folded stack trace and two value columns,
one for each profile.
Write three - column lines with the folded stack trace and two value columns one for each profile .
fn write_stacks<W>(stack_counts: &FnvHashMap<String, Counts>, mut writer: W) -> io::Result<()>
where
    W: Write,
{
    for (stack, &Counts { first, second }) in stack_counts {
        writeln!(writer, "{} {} {}", stack, first, second)?;
    }
    Ok(())
}
fn write_stacks < W > ( stack_counts : & FnvHashMap < String , Counts > , mut writer : W ) -> io :: Result < ( ) > where W : Write , { for ( stack , & Counts { first , second } ) in stack_counts { writeln ! ( writer " " stack first second ) ? ; } Ok ( ( ) ) }
Write three-column lines with the folded stack trace and two value columns,
one for each profile.
Write three - column lines with the folded stack trace and two value columns one for each profile .
stack_counts
&FnvHashMap<String, Counts>
writer
W