NullCheckStyles Enum

Namespace: Roslynator.CSharp

Assembly: Roslynator.CSharp.dll

Specifies a null check.

[Flags]
public enum NullCheckStyles

Inheritance

Object → ValueType → Enum → NullCheckStyles

Attributes

• FlagsAttribute

Fields

Name	Value	Combination of	Summary
None	0		No null check specified.
EqualsToNull	1		x == null
NotEqualsToNull	2		x != null
ComparisonToNull	3	EqualsToNull | NotEqualsToNull	Expression that uses equality/inequality operator.
IsNull	4		x is null
NotIsNull	8		!(x is null)
NotHasValue	16		!x.HasValue
CheckingNull	21	EqualsToNull | IsNull | NotHasValue	Expression that checks whether an expression is null.
HasValue	32		x.HasValue
HasValueProperty	48	NotHasValue | HasValue	Expression that uses Nullable<T>.HasValue property.
IsNotNull	64		x is not null
IsPattern	76	IsNull | NotIsNull | IsNotNull	Expression that uses pattern syntax.
CheckingNotNull	106	NotEqualsToNull | NotIsNull | HasValue | IsNotNull	Expression that checks whether an expression is not null.
All	127	CheckingNull | CheckingNotNull	All null check styles.