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kalbasit/nix-repl.sh-session

Created January 8, 2019 16:25
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nix-repl.sh-session
λ  nix repl
Welcome to Nix version 2.1.3. Type :? for help.
nix-repl> pkgs = import <nixpkgs> {}
nix-repl> transform = with pkgs; with pkgs.lib; let transformType = with types; let list3 = elemType: addCheck (listOf elemType) (l: length l != 3); in uniq (list3 (list3 float)); in mkOption { type = transformType; description = "3×3 matrix of floating point numbers"; default = []; example = [ [ 0.6 0.0 0.0 ] [ 0.0 0.6 0.0 ] [ 0.0 0.0 1.0 ] ]; }
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