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    <p>Implicit conversions you'll need to consider:</p> <ul> <li>Identity</li> <li>sbyte to short, int, long, float, double, or decimal</li> <li>byte to short, ushort, int, uint, long, ulong, float, double, or decimal</li> <li>short to int, long, float, double, or decimal</li> <li>ushort to int, uint, long, ulong, float, double, or decimal</li> <li>int to long, float, double, or decimal</li> <li>uint to long, ulong, float, double, or decimal</li> <li>long to float, double, or decimal</li> <li>ulong to float, double, or decimal</li> <li>char to ushort, int, uint, long, ulong, float, double, or decimal</li> <li>float to double</li> <li>Nullable type conversion</li> <li>Reference type to object</li> <li>Derived class to base class</li> <li>Class to implemented interface</li> <li>Interface to base interface</li> <li>Array to array when arrays have the same number of dimensions, there is an implicit conversion from the source element type to the destination element type and the source element type and the destination element type are reference types</li> <li>Array type to System.Array</li> <li>Array type to IList&lt;> and its base interfaces</li> <li>Delegate type to System.Delegate</li> <li>Boxing conversion</li> <li>Enum type to System.Enum</li> <li>User defined conversion (op_implicit)</li> </ul> <p>I assume you're looking for the latter. You'll need to write something resembling a compiler to cover all of them. Notable is that System.Linq.Expressions.Expression didn't attempt this feat.</p>
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    1. POHow to tell if Type A is implicitly convertible to Type B
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    1. USHans Passant
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    1. COHeh. Interesting. I'm really surprised there's no baked-in way to say, "This type can be converted to this other type".
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      1. USJudah Himango
    2. CO"Array to array when arrays are same length and element has implicit conversion" Are you sure? I don't think so. In fact, I don't think there's an explicit conversion. As for the rest, I think my method covers them all. Thus, I must be misunderstanding what you mean by "you'll need to write something resembling a compiler to cover all of them."
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    3. COYeah, I'm sure. Derived[] is implicitly convertible to Base[].
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