https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/mir/enum.BorrowKind.html
BorrowKind in rustc_middle::mir - Rust
API documentation for the Rust `BorrowKind` enum in crate `rustc_middle`.
rustcmiddlemir
https://doc.rust-lang.org/beta/nightly-rustc/rustc_ast/ast/enum.BorrowKind.html
BorrowKind in rustc_ast::ast - Rust
rustcast