Crate rustc_expand

Modules

base

build

config

Conditional compilation stripping.

errors

expand

mbe 🔒

This module implements declarative macros: old macro_rules and the newer macro. Declarative macros are also known as “macro by example”, and that’s why we call this module mbe. For external documentation, prefer the official terminology: “declarative macros”.

module

placeholders 🔒

proc_macro

proc_macro_server 🔒

Macros

configure

Functions

compile_declarative_macro

Converts a macro item into a syntax extension.