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From's orphan rules being asymmetric is annoying #19
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scottmcm
changed the title
From being asymmetric is annoying
From's orphan rules being asymmetric is annoying
Jul 29, 2019
Couldn't you do |
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I can do
impl<T> From<T> for NewType<T>
, but I can't doimpl<T> From<NewType<T>> for T
even though I can doimpl From<NewType<u32>> for u32
.That leads to unfortunate huge sets of impls like https://docs.rs/simd-trick/0.3.0/simd_trick/struct.Simd.html#impl-From%3CSimd%3C%5Bm64%3B%208%5D%3E%3E
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