fix: use trait objects for from_str

Use `Box<dyn error::Error>` to allow solutions to use `?` to propagate errors.
2021-04-04 18:43:38 -05:00
parent 2e93a588e0
commit c3e7b83178
2 changed files with 3 additions and 2 deletions
--- a/info.toml
+++ b/info.toml
@@ -884,5 +884,5 @@ path = "exercises/conversions/from_str.rs"
 mode = "test"
 hint = """
 The implementation of FromStr should return an Ok with a Person object,
-or an Err with a string if the string is not valid.
+or an Err with an error if the string is not valid.
 This is almost like the `try_from_into` exercise."""