Struct MacroLibrary 

pub struct MacroLibrary { /* private fields */ }

A build’s macros, loaded from their sources.

Implementations

impl MacroLibrary

pub fn load(sources: &[(String, String)]) -> Result<Self, Vec<Diagnostic>>

The macros of sources (name, text), or what’s wrong with them.

Trait Implementations

impl ProcMacros for MacroLibrary

fn call(&self, name: &str, input: &str) -> Option<Result<String, String>>

name!(input): the code it writes, or why it failed; None: no such macro.

fn derive(&self, name: &str, item: &str) -> Option<Result<String, String>>

[Derive(name)] on the declaration written item: the code added after it.

fn attribute( &self, name: &str, args: &str, item: &str, ) -> Option<Result<String, String>>

[name(args)], an attribute macro, on the declaration written item: the code that takes the declaration’s place.