C# null check

Null coalescing operator c#

//the null coalescing operator for c# is ??
int? x = null;
int y = 9;
return x ?? y; 
//Will return the value of x if x is not null else return y

Null check syntax c#

//Check if an object is null before calling a function using the ? operator.
//The ? operator is syntactic suger for the if block below:

//Using the ? operator
myObject?.MyFunc();

//Using an if block.
if (myObject != null)
{
  myObject.MyFunc();
}

C# null conditional

//Return stirng representation of nullable DateTime
DateTime? x = null;
return x.HasValue == true ? x.Value.ToString() : "No Date";

C# null check

if (name is null)
  {
    throw new ArgumentNullException(nameof(name));
  }

Source: thomasclaudiushuber.com

C# null check

public static int CountNumberOfSInName(string name)
{
  if (name == null)
  {
    throw new ArgumentNullException(nameof(name));
  }

  return name.Count(c => char.ToLower(c).Equals('s'));
}

Source: thomasclaudiushuber.com

Similar codes

0 vote52 views1 answer
Unity set terrain to image
C#Unity
3 votes64 views1 answer
Specified key was too long; max key length is 1000 bytes (SQL: alter table `permissions` add unique `permissions name guard_name_unique`(`name`, `guard_name`))
C#
1 vote43 views3 answers
User input to array object c#
C#
0 vote49 views1 answer
Unity dotween sequence
C#
1 vote56 views1 answer
List index out of range C#
C#
3 votes37 views6 answers
Update value in list c#
C#
0 vote51 views1 answer
C# convert address to int
C#
0 vote43 views1 answer
Check which activity in focus in android
C#
0 vote54 views1 answer
C# deeply related children
C#
0 vote51 views1 answer
Unity line renderer opacity
C#Unity