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authorChris <csuich2@gmail.com>2015-10-10 22:25:39 -0700
committerChris <csuich2@gmail.com>2015-10-10 22:25:39 -0700
commit5bbd8419b232bff0baae40506351f733e0e30462 (patch)
tree124f724bdccca9513d66f6f404fa1993f0ad56f9
parent8592f261996855000d3d2241989ea5563c1bf8ec (diff)
Added info C# null-propagation
Another tool I found useful when learning C#
-rw-r--r--csharp.html.markdown3
1 files changed, 3 insertions, 0 deletions
diff --git a/csharp.html.markdown b/csharp.html.markdown
index 02650038..14ffe4e0 100644
--- a/csharp.html.markdown
+++ b/csharp.html.markdown
@@ -443,6 +443,9 @@ on a new line! ""Wow!"", the masses cried";
// ?? is syntactic sugar for specifying default value (coalesce)
// in case variable is null
int notNullable = nullable ?? 0; // 0
+
+ // ?. is an operator for null-propogation - a shorthand way of checking for null
+ nullable?.Print(); // Use the Print() extension method if nullable isn't null
// IMPLICITLY TYPED VARIABLES - you can let the compiler work out what the type is:
var magic = "magic is a string, at compile time, so you still get type safety";