rustHow to set a dynamic size for a Rust slice?
A Rust slice is a dynamically sized view into a contiguous sequence of elements in memory. It can be set to a dynamic size by using the Vec::into_boxed_slice
method. This method takes a Vec
and returns a Box<[T]>
which is a dynamically sized slice.
Example code
let mut vec = vec![1, 2, 3];
let slice: Box<[i32]> = vec.into_boxed_slice();
Output example
[1, 2, 3]
Code explanation
let mut vec = vec![1, 2, 3];
: creates a mutable vector with elements1
,2
, and3
.let slice: Box<[i32]> = vec.into_boxed_slice();
: uses theVec::into_boxed_slice
method to convert the vector into aBox<[i32]>
which is a dynamically sized slice.
Helpful links
Related
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- How to iterate over a Rust slice with an index?
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- How to reverse a Rust slice?
- How to make a Rust slice unique?
- How to convert a Rust slice to a fixed array?
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