https://RustRocket.rs -- Cloud Monk Losang Jinpa, Ph.D., MCSE / MCT, https://Rustaceans.rs, Full Stack Cloud Native Rust DevOps Engineer - Rocket Framework Rust Microservices on Kubernetes-AWS-Azure-GCP

“captured by reference - the form of lambda capture whereby a variable named in the body of a lambda expression is treated as an alias to a variable of the same name in the enclosing scope. Lambdas (582)” (EMCppSfe 2021)