Weba lifetime is a construct the compiler (or more specifically, its borrow checker) uses to ensure all borrows are valid.

Specifically, a variable's lifetime begins when it is created.

It controls how long.

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In rust programming, a lifetime corresponds to the span of time that a variable references a specific data point in the memory.

Webmastering explicit lifetime annotations not only enhances code safety and efficiency but also deepens your understanding of rust's core principles.

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