diff options
Diffstat (limited to 'lib/debug.nix')
| -rw-r--r-- | lib/debug.nix | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/lib/debug.nix b/lib/debug.nix index 38612d630b3..e2e895ab620 100644 --- a/lib/debug.nix +++ b/lib/debug.nix @@ -73,27 +73,9 @@ rec { # usage: { testX = allTrue [ true ]; } testAllTrue = expr : { inherit expr; expected = map (x: true) expr; }; - # evaluate everything once so that errors will occur earlier - # hacky: traverse attrs by adding a dummy - # ignores functions (should this behavior change?) See strictf - # - # Note: This should be a primop! Something like seq of haskell would be nice to - # have as well. It's used fore debugging only anyway - strict = x : - let - traverse = x : - if isString x then true - else if isAttrs x then - if x ? outPath then true - else all id (mapAttrsFlatten (n: traverse) x) - else if isList x then - all id (map traverse x) - else if isBool x then true - else if isFunction x then true - else if isInt x then true - else if x == null then true - else true; # a (store) path? - in if traverse x then x else throw "else never reached"; + strict = v: + trace "Warning: strict is deprecated and will be removed in the next release" + (builtins.seq v v); # example: (traceCallXml "myfun" id 3) will output something like # calling myfun arg 1: 3 result: 3 |