Struct HygieneContextExt2 

pub struct HygieneContextExt2 {
    pub counter: u32,
    pub prefix: String,
}

A hygiene context tracks fresh name generation for macro expansion.

Fields

counter: u32

Counter for generating fresh names

prefix: String

Prefix for generated names

Implementations

impl HygieneContextExt2

pub fn new(prefix: &str) -> Self

Create a new hygiene context.

pub fn fresh(&mut self) -> String

Generate a fresh name.

pub fn generated_count(&self) -> u32

Returns the number of names generated so far.

Trait Implementations

impl Clone for HygieneContextExt2

fn clone(&self) -> HygieneContextExt2

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for HygieneContextExt2

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

Formats the value using the given formatter.

impl Default for HygieneContextExt2

fn default() -> HygieneContextExt2

Returns the “default value” for a type.