Lib.rs

compiler_base_span

note: [WIP] Do not use it.

lib.rs:

Source positions and related helper functions.

Important concepts in this module include:

• the span, represented by Span and related types;
• interned strings, represented by Symbols, with some common symbols available statically in the [sym] module.

Reference: https://github.com/rust-lang/rust/blob/master/compiler/rustc_span/src/lib.rs