Enum Address 

pub enum Address {
    Line(usize),
    Last,
    Regex(String),
    Step {
        first: usize,
        step: usize,
    },
}

Variants

Line(usize)

A specific line number (1-indexed)

Last

The last line of input

Regex(String)

Lines matching a regex pattern

Step

GNU extension: first~step (every step-th line starting at first)

Fields

first: usize

step: usize

Trait Implementations

impl Clone for Address

fn clone(&self) -> Address

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Address

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.