Bug 10888 – std.range.RefRange does not forward all methods/properties of underlying range

Created attachment 1244 Example with std.random.Random wrapped by RefRange. .min and .max properties are not forwarded. When a range is wrapped by RefRange, _all_ the public methods and properties should be forwarded. The attached example shows a case where std.random.Random is wrapped by RefRange. The regular range methods/properties are correctly forwarded, but the .min and .max properties of Random are not, and the code fails with the errors: refrange.d(26): Error: no property 'min' for type 'RefRange!(MersenneTwisterEngine!(uint, 32, 624, 397, 31, 2567483615u, 11, 7, 2636928640u, 15, 4022730752u, 18))' refrange.d(27): Error: no property 'max' for type 'RefRange!(MersenneTwisterEngine!(uint, 32, 624, 397, 31, 2567483615u, 11, 7, 2636928640u, 15, 4022730752u, 18))' Desired behaviour: .min and .max properties should be present for RefRange!Random.

This is where it would be nice if the language supported alias *p this. :)

See also Issue #14830 for a similarly problematic issue with RNGs and RefCounted.

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