Crate tempref 

This crate provides a type whose value remains unchanged even when accessed through a mutable reference. Some functions are compatible with no_std environments.

Module	Characteristics	Feature Flags
unsync	!Sync, !Send type Supports no_std	default, all, no_std, unsync
mutex	Sync, Send type using std::sync::Mutex	default, all, mutex
rwlock	Sync, Send type using std::sync::RwLock	default, all, rwlock

Modules

mutex

Multi thread version which used Mutex of TempRef. This module requires std.

rwlock

Multi thread version which used RwLock of TempRef. This module requires std.

unsync

Single thread version of TempRef. This module doesn’t require std.