Struct MacroStats 

pub struct MacroStats {
    pub expansions: usize,
    pub errors: usize,
    pub max_depth: usize,
}

A macro statistics tracker.

Fields

expansions: usize

Number of expansions

errors: usize

Number of expansion errors

max_depth: usize

Maximum expansion depth reached

Implementations

impl MacroStats

pub fn new() -> Self

Create a new empty stats record.

pub fn record_success(&mut self, depth: usize)

Record a successful expansion.

pub fn record_error(&mut self)

Record an error.

Trait Implementations

impl Debug for MacroStats

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

Formats the value using the given formatter.

impl Default for MacroStats

fn default() -> MacroStats

Returns the “default value” for a type.