int num = 60; var testCondition = Expression.Constant(num > 10); var ifTrueBlock = WriteLineExpression("num is greater than 10"); var ifFalseBlock = WriteLineExpression("num is less than or equal to 10"); var ifThenElseExpr = Expression.IfThenElse( testCondition, ifTrueBlock, ifFalseBlock); Expression.Lambda<Action>(ifThenElseExpr).Compile()();
In .NET, an expression tree is a tree-like data structure, where each node is an expression, for example, a method call or a binary operation such as x < y.
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