error[E0515]: cannot return value referencing local variable `thing` error[E0382]: borrow of moved value: `thing` Rust 错误都有唯一的错误 ID,只要方括号内以 E 开头的错误 ID 一致,错误便是一样的。 这个问题是由一位提问者提出者,他还贴了第三段代码,下面看第三个代码示例 3: struct Combined<...
error[E0515]: cannotreturnvalue referencing local data `book.title` --> src/main.rs:23:12 | 21 | let title = &book.title; | --- `book.title` is borrowed here 22 | 23 |return(book, title); | ^^^ returns a value referencing data owned by the current function 即使看起来我们把tit...
get_value()函数是外部代码,所以我无法更改它。 我得到的错误: error[E0515]: cannot return value referencing local variable `v2` --> src\main.rs:517:5 | 517 | foo(&v1, &v2) | ^^^---^ | | | | | `v2` is borrowed here | returns a value referencing data owned by the current f...
error[E0596]: cannot borrow `last_alignments` as mutable, as it is a captured variable in a `Fn` closure --> src\main.rs:137:25 | 137 | last_alignments 和: error[E0515]: cannot return value referencing local data `line.0` 113 | if let Ok(ref line) = line { | --- `line...
usestd::Future; asyncfnwith_timeout_and_return() ->implFuture {letf = async {1u32}; pin!(f);// f is now a `Pin<&mut impl Future>`.lets = asyncmove{let_ = timeout(Duration::from_secs(1), &mutf).await; };// error[E0515]: cannot return value referencing local variable `f...
学rust上来就研究lifetime堪比学haskell研究自函子范畴上的幺半群 属于自己把自己劝退了 开始写 rust 的...
rust 如何修复“cannot return value referencing function parameter 'x' returns a value referencing data owned by the current function”中的“cannot return value referencing function parameter 'x' returns a value referencing data owned by the current function”?
error[E0515]: cannot return value referencing local variable `delim` --> src/lib.rs:41:5|41 | StrSplit::new(s, &delim)| ^ --- `delim` is borrowed here| ___|| |42 | | .next()43 | | .expect("StrSplit should have at least one result")| |___^ returns a value referencing...
Rust是一门以安全性、并发性和性能著称的系统级编程语言。在Rust中，函数是一等公民，这意味着函数可以...
reader.read(3, 4); } } pub fn for_stdin<'a>() -> Container<'dropping_copy_types> { let mut r = io::stdin(); Container::wrap(&mut r as &mut dyn io::Read) //~^ ERROR cannot return value referencing local variable } fn main() { let mut c = for_stdin(); let (Ok(_x...