3 Finds items imported through `std` when available through `core`.
7 Crates which have `no_std` compatibility may wish to ensure types are imported from core to ensure
8 disabling `std` does not cause the crate to fail to compile. This lint is also useful for crates
9 migrating to become `no_std` compatible.
13 use std::hash::Hasher;
17 use core::hash::Hasher;