fn new(start_index: usize, length: usize) -> Self {
        Self {
            start_index,
            length,
        }
    }
/// Constructs a new StringSpec with the given start index and length.
Constructs a new StringSpec with the given start index and length.
Constructs a new StringSpec with the given start index and length .
fn new(start_index: usize, length: usize) -> Self {
        Self {
            start_index,
            length,
        }
    }
fn new ( start_index : usize , length : usize ) -> Self { Self { start_index , length , } }
Constructs a new StringSpec with the given start index and length.
Constructs a new StringSpec with the given start index and length .
start_index
usize
length
usize
start_index
usize
length
usize