public void IEquatableImplementation(bool isStruct, bool isExplicit)
{
var type = isStruct ? TypeSignature.Struct("MyType", ns, Accessibility.APublic)
: TypeSignature.Class("MyType", ns, Accessibility.APublic);
var iequatableT = TypeSignature.FromType(typeof(IEquatable <>)).Specialize(type);
var interfaceMethod = cx.GetMemberMethods(iequatableT, "Equals").Single();
var method = new MethodSignature(type, ImmutableArray.Create(new MethodParameter(type, "obj")), "Equals", TypeReference.FromType(typeof(bool)), false, isExplicit ? Accessibility.APrivate : Accessibility.APublic, false, false, false, false, ImmutableArray <GenericParameter> .Empty);
var methodDef = MethodDef.Create(method, (_thisP, _objP) => new ConstantExpression(true, TypeReference.FromType(typeof(bool))))
.AddImplements(interfaceMethod);
var typeDef = TypeDef.Empty(type).With(
implements: ImmutableArray.Create(iequatableT),
members: ImmutableArray.Create <MemberDef>(methodDef));
cx.AddType(typeDef);
check.CheckOutput(cx, $"{(isStruct ? "struct" : "class")}{(isExplicit ? "-explicit" : "")}");
}