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authorCory Forsyth <cory.forsyth@gmail.com>2019-12-02 16:57:13 -0500
committerGitHub <noreply@github.com>2019-12-02 16:57:13 -0500
commit88795664c5ff1980f41bfa39f853cef12f60e92e (patch)
treeeef2be03c6913f25f86eaf7544567ccaa73207b5
parent06e05c4ce3e23ee0030c820af09eeadac07b1baf (diff)
Return value of `findIndex` is `Optional<Int>`
-rw-r--r--swift.html.markdown2
1 files changed, 1 insertions, 1 deletions
diff --git a/swift.html.markdown b/swift.html.markdown
index 1f9fe897..8c1a7755 100644
--- a/swift.html.markdown
+++ b/swift.html.markdown
@@ -904,7 +904,7 @@ func findIndex<T: Equatable>(array: [T], valueToFind: T) -> Int? {
}
return nil
}
-findIndex(array: [1, 2, 3, 4], valueToFind: 3) // 2
+findIndex(array: [1, 2, 3, 4], valueToFind: 3) // Optional(2)
// You can extend types with generics as well
extension Array where Array.Element == Int {