diff options
Diffstat (limited to 'exercises/options')
| -rw-r--r-- | exercises/options/README.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/exercises/options/README.md b/exercises/options/README.md index 6140a16..bdd3374 100644 --- a/exercises/options/README.md +++ b/exercises/options/README.md @@ -1,7 +1,8 @@ # Options -Type Option represents an optional value: every Option is either Some and contains a value, or None, and does not. +Type Option represents an optional value: every Option is either Some and contains a value, or None, and does not. Option types are very common in Rust code, as they have a number of uses: + - Initial values - Return values for functions that are not defined over their entire input range (partial functions) - Return value for otherwise reporting simple errors, where None is returned on error |