Struct MacroStatsExt2 

pub struct MacroStatsExt2 {
    pub attempts: usize,
    pub successes: usize,
    pub failures: usize,
    pub max_depth: usize,
}

Macro expansion statistics.

Fields

attempts: usize

Total expansions attempted

successes: usize

Total successful expansions

failures: usize

Total failures

max_depth: usize

Maximum depth reached

Implementations

impl MacroStatsExt2

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

Record a successful expansion.

pub fn record_failure(&mut self)

Record a failed expansion.

pub fn success_rate(&self) -> f64

Returns the success rate as a fraction.

Trait Implementations

impl Clone for MacroStatsExt2

fn clone(&self) -> MacroStatsExt2

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MacroStatsExt2

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

Formats the value using the given formatter.

impl Default for MacroStatsExt2

fn default() -> MacroStatsExt2

Returns the “default value” for a type.