Struct Walker 

pub struct Walker { /* private fields */ }

Implementations

impl<'a> Walker

pub fn new(stream: &'a str) -> Self

pub fn from_root(root: SyntaxNode) -> Self

Build a walker around an already-parsed root, skipping the rnix parse. Lets callers that ran a parse for validation share the result.

pub fn walk( &mut self, change: &Change, ) -> Result<Option<SyntaxNode>, WalkerError>

Apply change to the parsed flake.nix, returning the rebuilt root if the tree was modified.

Expects the parsed root to be an attrset with description, inputs, and outputs keys.

Trait Implementations

impl Clone for Walker

fn clone(&self) -> Walker

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Walker

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

Formats the value using the given formatter.