Say I have a struct like so: struct Foo<'a> { x: &'a i32, } I interpreted that this meant that this struct is initialized with a lifetime reference to some i32 x, and the struct cannot live longer than the reference. Nothing stops me from updating the reference at other points in the code to s…

First of all, you need to keep in mind that the type of a variable can't change, and this includes lifetimes. The lifetime is a generic parameter, and it will be inferred and concretized to a single concrete lifetime when you instantiate the struct. The compiler will therefore have to assign the lif…

Updating a struct holding a reference field, and the effect on the struct's lifetime

help

quinedot July 4, 2023, 10:08pm 3

See also this other recent topic.

1 Like

Topic		Replies	Views
Confusion about lifetime of struct and struct field	4	549	September 19, 2019
Can the lifetime of a struct instance change?	6	443	September 29, 2023
Annotating lifetime of references in a struct help	14	1783	October 13, 2023
Help understanding multiple lifetimes in structs help	8	2382	January 17, 2023
Struct member lifetimes help	3	541	August 9, 2023

Updating a struct holding a reference field, and the effect on the struct's lifetime

Related topics