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Adam Dunlap 2017-01-01 16:03:48 -08:00 committed by Carol (Nichols || Goulding)
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src/ch13-00-functional-features.md
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### What is a closure
In programming languages, a closure is a lot like a function. Like a function, closures contain code
that is executed when the closure is called. The main difference, besides syntax, between closures and functions is
that closures have *capture*. What this means is that a closure can use variables in its surrounding
scope. Consider the following code:
that is executed when the closure is called. The main difference, besides syntax, between closures
and functions is that closures have *capture*. What this means is that a closure can use variables
in its surrounding scope. Consider the following code:
```rust,ignore
fn main() {