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subnut/d_stuff.d

Created December 14, 2023 19:24
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d_stuff.d
template isForwardRangeOf(T) {
bool isForwardRangeOf(R)(R _) if (isForwardRange!(R, T)) => true;
bool isForwardRangeOf(R)(R _) if (!isForwardRange!(R, T)) => false;
}
import std.range.primitives : isForwardRange;
enum bool isForwardRange(R, T)
= std.range.primitives.isForwardRange!R
&& isInputRange!(R, T);
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