Struct IndentStack 

pub struct IndentStack {
    pub stack: Vec<IndentLevel>,
    pub tab_width: usize,
}

A stack of indentation levels used during parsing.

Fields

stack: Vec<IndentLevel>

tab_width: usize

Implementations

impl IndentStack

pub fn new(tab_width: usize) -> Self

pub fn push(&mut self, level: IndentLevel)

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

pub fn current(&self) -> Option<&IndentLevel>

Return a reference to the current (top) indentation level.

pub fn dedent_to(&mut self, level: &IndentLevel) -> usize

Pop levels from the stack until the top is at or below level. Returns the number of levels popped.