34 lines
907 B
D
34 lines
907 B
D
import std.stdio;
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void logic(T, U)(T lhs, U rhs) {
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writefln("'%s' is of type '%s', '%s' is of type '%s';",
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lhs, typeid(typeof(lhs)), rhs,typeid(typeof(rhs)));
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writefln("\t'%s' AND '%s' is %s, ", lhs, rhs, lhs && rhs);
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writefln("\t'%s' OR '%s' is %s, ", lhs, rhs, lhs || rhs);
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writefln("\tNOT '%s' is %s.\n", lhs, !lhs);
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}
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class C { int value; }
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void main() {
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bool theTruth = true;
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bool theLie = false;
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real zeroReal = 0.0L;
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real NaN; // D initializes floating point values to NaN
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int zeroInt = 0;
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real[] nullArr = null;
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string emptyStr = "";
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string nullStr = null;
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C someC = new C;
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C nullC = null;
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// Note: Struct is value type in D, but composite
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// so no default bool equivalent.
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logic(theTruth, theLie);
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logic(zeroReal, NaN);
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logic(zeroInt, nullArr);
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logic(nullStr, emptyStr);
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logic(someC, nullC);
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}
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