rustHow to convert a Rust slice to a struct?
To convert a Rust slice to a struct, you can use the FromIterator
trait. This trait allows you to create a struct from an iterator of elements. For example:
use std::iter::FromIterator;
struct MyStruct {
field1: i32,
field2: i32,
}
let slice = &[1, 2];
let my_struct = MyStruct::from_iter(slice);
println!("{:?}", my_struct);
Output example
MyStruct { field1: 1, field2: 2 }
Code explanation
use std::iter::FromIterator;
: imports theFromIterator
trait from thestd::iter
module.struct MyStruct { field1: i32, field2: i32, }
: defines a struct with two fields of typei32
.let slice = &[1, 2];
: creates a slice containing two elements.let my_struct = MyStruct::from_iter(slice);
: creates aMyStruct
instance from the slice using theFromIterator
trait.println!("{:?}", my_struct);
: prints theMyStruct
instance.
Helpful links
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