Struct MacroEnvironmentExt 

pub struct MacroEnvironmentExt {
    pub macros: Vec<MacroDefinitionExt>,
}

A macro environment that stores all defined macros.

Fields

macros: Vec<MacroDefinitionExt>

All defined macros

Implementations

impl MacroEnvironmentExt

pub fn new() -> Self

Create a new empty macro environment.

pub fn define(&mut self, def: MacroDefinitionExt)

Define a new macro.

pub fn find(&self, name: &str) -> Option<&MacroDefinitionExt>

Find a macro by name.

pub fn expand_call(&self, name: &str, args: &[&str]) -> Option<String>

Expand a macro call.

pub fn len(&self) -> usize

Returns the number of defined macros.

pub fn is_empty(&self) -> bool

Returns true if empty.

Trait Implementations

impl Default for MacroEnvironmentExt

fn default() -> Self

Returns the “default value” for a type.