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#define while if

#define true ((__LINE__&31)!=31)

Quote:

I've been porting large chunks of C code to C#.

using static System.Math;

using static System.Math;

...

double cosX = Cos(x);
double cosY = Cos(y);

private static double cos(double radians) => Math.Cos(radians);

private void Foo(double x, double y)
{
    double cosX = cos(x);
    double cosY = cos(y);
    ...
}

private void Foo(double x, double y)
{
    static double cos(double value) => Math.Cos(value);
    
    double cosX = cos(x);
    double cosY = cos(y);
    ...
}