source_loc 0.99.0

utility for capturing source file location at compile time
Documentation 
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//! Utility for capturing source file location at compile time.
//! Much less overhead than `Backtrace`, but, of course you don't get a full
//! backtrace.
//!
//! # Example
//!
//! ```rust
//! use source_loc::source_loc;
//!
//! let loc = source_loc!();
//! assert_eq!(
//!     "src/lib.rs:6:11",
//!     &loc.to_string(),
//! );
//! ```

mod source_loc;
pub use self::source_loc::*;