diff options
| -rw-r--r-- | src/libcore/convert.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libcore/convert.rs b/src/libcore/convert.rs index 203be541e49..d4a1d15e4e7 100644 --- a/src/libcore/convert.rs +++ b/src/libcore/convert.rs @@ -17,7 +17,10 @@ //! [`TryFrom<T>`][`TryFrom`] rather than [`Into<U>`][`Into`] or [`TryInto<U>`][`TryInto`], //! as [`From`] and [`TryFrom`] provide greater flexibility and offer //! equivalent [`Into`] or [`TryInto`] implementations for free, thanks to a -//! blanket implementation in the standard library. +//! blanket implementation in the standard library. However, there are some cases +//! where this is not possible, such as creating conversions into a type defined +//! outside your library, so implementing [`Into`] instead of [`From`] is +//! sometimes necessary. //! //! # Generic Implementations //! |