Type Alias Span 

pub type Span = Range<usize>;

Span for tokens or AST nodes, a range of byte offsets from the start of the source

Aliased Type

pub struct Span {
    pub start: usize,
    pub end: usize,
}

Fields

start: usize

The lower bound of the range (inclusive).

end: usize

The upper bound of the range (exclusive).