This is more flexible and less error-prone. `get_attrs` and `get_attrs_opt` can be used on many more items than the old `get_attrs` could. This is all courtesy of @huonw, and directly taken from here: https://github.com/rust-lang/rust/pull/22348/files#diff-0f85fcb07fb739876892e633fa0e2be6R5575 Also thanks to @Manishearth for pointing it out to me. |
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| blocks.rs | ||
| mod.rs | ||