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* Improve showVal: handle integer and strings.

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svn path=/nixpkgs/trunk/; revision=18346
This commit is contained in:
Nicolas Pierron 2009-11-14 20:14:15 +00:00
parent 47de42835a
commit 7482474aef
1 changed files with 5 additions and 2 deletions
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7
pkgs/lib/debug.nix
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@ -1,6 +1,6 @@
let lib = import ./default.nix;
inherit (builtins) trace attrNamesToStr isAttrs isFunction isList head substring attrNames;
inherit (builtins) trace attrNamesToStr isAttrs isFunction isList isInt isString head substring attrNames;
in
@ -37,7 +37,10 @@ rec {
else if x == true then "x is boolean true"
else if x == false then "x is boolean false"
else if x == null then "x is null"
else "x is probably a string `${substring 0 50 x}...'";
else if isInt x then "x is an integer `${toString x}'"
else if isString x then "x is a string `${substring 0 50 x}...'"
else "x is probably a path `${substring 0 50 (toString x)}'";
# trace the arguments passed to function and its result
traceCall = n : f : a : let t = n2 : x : traceShowValMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a));
traceCall2 = n : f : a : b : let t = n2 : x : traceShowValMarked "${n} ${n2}:" x; in t "result" (f (t "arg 1" a) (t "arg 2" b));