rust/crates/proc-macro-test/src/lib.rs

//! Exports a few trivial procedural macros for testing.

#![warn(rust_2018_idioms, unused_lifetimes, semicolon_in_expressions_from_macros)]

pub static PROC_MACRO_TEST_LOCATION: &str =
    include_str!(concat!(env!("OUT_DIR"), "/proc_macro_test_location.txt"));