diff options
Diffstat (limited to 'rustlings-macros')
| -rw-r--r-- | rustlings-macros/info.toml | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/rustlings-macros/info.toml b/rustlings-macros/info.toml index bfe32cd..fb0126c 100644 --- a/rustlings-macros/info.toml +++ b/rustlings-macros/info.toml @@ -352,16 +352,10 @@ When running this exercise for the first time, you'll notice an error about "borrow of moved value". In Rust, when an argument is passed to a function and it's not explicitly returned, you can't use the original variable anymore. We call this "moving" a variable. When we pass `vec0` into `fill_vec`, it's -being "moved" into `vec1`, meaning we can't access `vec0` anymore after the -fact. - -Rust provides a couple of different ways to mitigate this issue, feel free to -try them all: -1. You could make another, separate version of the data that's in `vec0` and - pass that to `fill_vec` instead. -2. Make `fill_vec` borrow its argument instead of taking ownership of it, - and then copy the data within the function (`vec.clone()`) in order to - return an owned `Vec<i32>`. +being "moved" into `vec1`, meaning we can't access `vec0` anymore. + +You could make another, separate version of the data that's in `vec0` and +pass it to `fill_vec` instead. """ [[exercises]] |