Static lifetime

As explained in Idiomatic Rust

The Rust lifetime that lasts for the entire duration of the program.

How Idiomatic Rust covers it

How deep it goes

Defines `'static` and notes string-literal returns, without developing further lifetime mechanics.

Examples

Demonstrates a string literal returned with the type `&'static str`.

What you can do after

Understand why string literals can be returned as `&'static str`.

How it connects

Connects `'static` to references, lifetime parameters, and string literals.

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Also explained in

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  Learn Rust in a Month of LunchesThe static lifetime is a Rust lifetime that lasts for the entire duration of the program.

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Related concepts

• lifetimekind of · A lifetime is the interval during which a program entity exists and remains valid or accessible under the applicable language rules.
• lifetime annotationcontrasts with · In Rust, a lifetime annotation is syntax that names or relates the validity lifetimes of references in types and function signatures.
• slicinguses · Slicing selects or partitions a portion of an indexed sequence or multidimensional array, often along specified indices or dimensions.
• string literalproduced by · A string literal is source-code notation that directly represents a string value.
• static fieldcontrasts with · A named variable whose storage is associated with a class or has static duration, rather than being allocated separately for each object instance or function call.
• static storagecontrasts with · Static storage duration is the storage duration of an object whose lifetime extends throughout program execution.

This explainer was generated by Manning's knowledge graph from the text of Idiomatic Rust. The section links point to the parts of the book it draws on.