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author | sterni <sternenseemann@systemli.org> | 2021-04-12T17·30+0200 |
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committer | sterni <sternenseemann@systemli.org> | 2021-04-12T17·47+0000 |
commit | f59ab9aba506c1ed149f7093f5543ef021567ebc (patch) | |
tree | d57ea2ee31ef65e550892ded6ffc2894dcafd6c9 /users/flokli | |
parent | e09b44bdec0167a6e1fec23e5ca294033814dbeb (diff) |
feat(sterni/nix/fun): add hasEllipsis r/2495
As a complementation to builtins.functionArgs this function checks if the function has a set pattern that contains an ellipsis (i. e. `{ [arg, [ arg1, [ … ]]] ... }:`). The implementation of this is pretty cursed however since there is no clean way to do this in vanilla nix: We need to match on the output of builtins.toXML which does try to serialize functions by outputting their argument and information about it (whether it is a normal argument or a attribute set pattern, in the latter case it also serialize every component of the pattern). Change-Id: I0f33721811a3180cec205a0c98e6d92e10e92075 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2950 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
Diffstat (limited to 'users/flokli')
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