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T-libs-apiRelevant to the library API team, which will review and decide on the RFC.Relevant to the library API team, which will review and decide on the RFC.
Description
Currently rust has both the traits std::str::FromStr
and std::convert::From<T>
, the latter of which is often implemented for T: String
even when std::str::FromStr
is not.
Can implementing std::str::From<String>
/std::str::From<&str>
provide a free implementation of std::convert::FromStr
so that this problem is avoided? From<&str>
(being exception-free) can be used to implement FromStr
, even if the converse isn't true.
max-sixty
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T-libs-apiRelevant to the library API team, which will review and decide on the RFC.Relevant to the library API team, which will review and decide on the RFC.