35 lines
839 B
D
35 lines
839 B
D
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module runme;
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import std.stdio;
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static import example;
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extern(C) int add(int a, int b) {
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return a + b;
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}
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extern(C) int sub(int a, int b) {
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return a - b;
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}
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extern(C) int mul(int a, int b) {
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return a * b;
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}
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void main() {
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int a = 37;
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int b = 42;
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writefln( "a = %s", a );
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writefln( "b = %s", b );
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writeln( "Trying some C callback functions:" );
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writefln( " ADD(a,b) = %s", example.do_op( a, b, example.ADD ) );
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writefln( " SUB(a,b) = %s", example.do_op( a, b, example.SUB ) );
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writefln( " MUL(a,b) = %s", example.do_op( a, b, example.MUL ) );
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writeln( "Now the same with callback functions defined in D:" );
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writefln( " add(a,b) = %s", example.do_op( a, b, &add ) );
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writefln( " sub(a,b) = %s", example.do_op( a, b, &sub ) );
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writefln( " mul(a,b) = %s", example.do_op( a, b, &mul ) );
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}
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