public IReflectedGen <T> OverrideMember <TMember>(Expression <Func <T, TMember> > memberSelector, IGen <TMember> fieldGen)
{
var pathResult = PathResolver.FromExpression(memberSelector);
return(pathResult.Match <string, string, IReflectedGen <T> >(
fromLeft: path => new ReflectedGen <T>(
_registeredGensByType,
_memberOverrides.Add(new ReflectedGenMemberOverride(path, fieldGen)),
_errorExpression),
fromRight: error => new ReflectedGen <T>(
_registeredGensByType,
_memberOverrides,
error)));
}
