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Felix Rabe 2019-06-22 00:44:31 +02:00 committed by GitHub
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@ -120,7 +120,7 @@ mod prim_bool { }
/// When implementing this trait for [`String`] we need to pick a type for [`Err`]. And since
/// converting a string into a string will never result in an error, the appropriate type is `!`.
/// (Currently the type actually used is an enum with no variants, though this is only because `!`
/// was added to Rust at a later date and it may change in the future). With an [`Err`] type of
/// was added to Rust at a later date and it may change in the future.) With an [`Err`] type of
/// `!`, if we have to call [`String::from_str`] for some reason the result will be a
/// [`Result<String, !>`] which we can unpack like this:
///