Struct ContextChain 

pub struct ContextChain { /* private fields */ }

A flat sequence of context entries for serialization or display.

Implementations

impl ContextChain

pub fn new() -> Self

Create an empty chain.

pub fn push(&mut self, entry: ContextEntry)

Push an entry.

pub fn pop(&mut self) -> Option<ContextEntry>

Pop the last entry.

pub fn len(&self) -> usize

Get the number of entries.

pub fn is_empty(&self) -> bool

Check if empty.

pub fn entries(&self) -> &[ContextEntry]

Get all entries.

pub fn num_lets(&self) -> usize

Count let-bindings.

pub fn num_implicit(&self) -> usize

Count implicit entries.

pub fn find(&self, name: &Name) -> Option<&ContextEntry>

Find an entry by name (searches from innermost).

pub fn from_context(ctx: &Context) -> Self

Build from a Context.

Trait Implementations

impl Clone for ContextChain

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 ContextChain

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

Formats the value using the given formatter.

impl Default for ContextChain

fn default() -> Self

Returns the “default value” for a type.