Struct Mutation 

pub struct Mutation {
    pub start: usize,
    pub end: usize,
    pub from: &'static str,
    pub to: &'static str,
    pub line: u32,
}

One mutation: byte range in the original source → replacement text.

Fields

start: usize

Byte range in the original source to replace.

end: usize

from: &'static str

What was there before.

to: &'static str

What it becomes.

line: u32

1-based source line number (for reporting).

Implementations

impl Mutation

pub fn apply(&self, source: &[u8]) -> Vec<u8>

Apply this mutation to source, returning the mutated bytes.

pub fn description(&self) -> String

Human-readable description for reports.

Trait Implementations

impl Clone for Mutation

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Mutation

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

Formats the value using the given formatter.