โ๏ธOptional
optional binding -
if let
,while let
,guard let
...optional chaining - ๐ง ๆฝๅทฅไธญ
nil coalescing -
a ?? b
.
Last updated
optional binding - if let
, while let
, guard let
...
optional chaining - ๐ง ๆฝๅทฅไธญ
nil coalescing - a ?? b
.
Last updated