[Nix-dev] [Nix-commits] SVN commit: nix - r31230 - in nix/branches/multiple-outputs-sandbox: corepkgs src/libexpr

[Shea Levy]

Hi Eelco

On 1/3/12 9:01 AM, Eelco Dolstra wrote:
> Author: eelco
> Date: Tue Jan  3 14:01:47 2012
> New Revision: 31230
> URL: https://nixos.org/websvn/nix/?rev=31230&sc=1
>
> Log:
> * Move the implementation of the ‘derivation’ primop into a separate
>    file.

Snip

> +    mkThunk_(v, parseExprFromFile(findFile("nix/derivation.nix")));
>       addConstant("derivation", v);
>

I'm no expert on performance issues, but couldn't adding an extra file 
read for each evaluation of the derivation function have some bad 
consequences compared to having the string stored in the binary itself?

~Shea