Another idea in this vein, but with a surprisingly straightforward implementation (27 lines): https://github.com/GrantMoyer/lambda_hpp https://github.com/GrantM

Another idea in this vein, but with a surprisingly straightforward implementation (27 lines): https://github.com/GrantMoyer/lambda_hpp https://github.com/GrantMoyer/lambda_hpp I started out trying to write something like the OP, but changed direction when I convinced myself there would have been no sane way to implement member call syntax. I honestly can't decide if it's cursed or genuinely useful (minus the unicode name, that's cursed).