https://dev-doc.rust-lang.org/stable/std/cell/struct.LazyCell.html
LazyCell in std::cell - Rust
A value which is initialized on the first access.
stdcellrust
https://www.kernel.org/doc/rustdoc/latest/core/cell/struct.LazyCell.html
LazyCell in core::cell - Rust
A value which is initialized on the first access.
corecellrust