Macro __known_path

macro_rules! __known_path {
    (core::iter::IntoIterator) => { ... };
    (core::iter::Iterator) => { ... };
    (core::result::Result) => { ... };
    (core::option::Option) => { ... };
    (core::ops::Range) => { ... };
    (core::ops::RangeFrom) => { ... };
    (core::ops::RangeFull) => { ... };
    (core::ops::RangeTo) => { ... };
    (core::ops::RangeToInclusive) => { ... };
    (core::ops::RangeInclusive) => { ... };
    (core::future::Future) => { ... };
    (core::future::IntoFuture) => { ... };
    (core::fmt::Debug) => { ... };
    (std::fmt::format) => { ... };
    (core::ops::Try) => { ... };
    ($path:path) => { ... };
}