Type Alias Span

pub type Span = Option<(usize, usize, usize, usize)>;

Start and end positions of a node in a code in terms of rows and columns.

The first and second fields represent the row and column associated to the start position of a node.

The third and fourth fields represent the row and column associated to the end position of a node.

Aliased Type

pub enum Span {
    None,
    Some((usize, usize, usize, usize)),
}

Variants

None

No value.

Some((usize, usize, usize, usize))

Some value of type T.