Structs are Not Plain: A call for empty struct constructors

[Kagamin]

On Thursday, 19 September 2019 at 09:02:39 UTC, FeepingCreature 
wrote:
> (`scope(exit) validate;` does *not* work - that's the sort of 
> line you just know will get forgotten. We want validation to be 
> automatic.)

The test code is usually tested for alternative scenario to 
verify that it actually tests what it's supposed to test. 
Forgotten validation won't pass that.