# Uses of Class
org.snpsift.lang.expression.ExpressionUnary

Packages that use ExpressionUnary
Package
Description
org.snpsift.lang.expression

## Uses of ExpressionUnary in org.snpsift.lang.expression

Subclasses of ExpressionUnary in org.snpsift.lang.expression
Modifier and Type
Class
Description
`class`
`Exists`
Exists operator (true if a field exists)
`class`
`Na`
Exists operator (true if a field exists)
`class`
`Not`
Not expression