Struct DepthLimitedExpander 

pub struct DepthLimitedExpander {
    pub max_depth: usize,
    pub current_depth: usize,
}

A macro expansion depth limiter.

Fields

max_depth: usize

Maximum expansion depth

current_depth: usize

Current depth

Implementations

impl DepthLimitedExpander

pub fn new(max_depth: usize) -> Self

Create a new expander.

pub fn try_expand(&mut self) -> bool

Try to expand (returns false if at limit).

pub fn exit(&mut self)

Exit a level.