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@controlflow

controlflow/foo1.cs

Last active August 15, 2017 01:36
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foo1.cs
var unaryExpression = selector.Body as UnaryExpression;
var binaryExpression = unaryExpression == null ? null : unaryExpression.Operand as BinaryExpression;
// vs.
var unaryExpression = selector.Body as UnaryExpression;
var binaryExpression = unaryExpression?.Operand as BinaryExpression;
// vs.
var binaryExpression = !(selector.Body is UnaryExpression unaryExpression) ? null : unaryExpression.Operand as BinaryExpression;
var binaryExpression = selector.Body is UnaryExpression unaryExpression ? unaryExpression.Operand as BinaryExpression : null;
// vs.
var binaryExpression = (selector.Body as UnaryExpression)?.Operand as BinaryExpression;
Raw
foo2.cs
var unaryExpression = selector.Body as UnaryExpression;
// vs.
var binaryExpression = selector.Body is UnaryExpression unaryExpression ? unaryExpression : null;
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