diff options
Diffstat (limited to 'microprom/labels.go')
| -rw-r--r-- | microprom/labels.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/microprom/labels.go b/microprom/labels.go index 51cdbb1..5b56c9c 100644 --- a/microprom/labels.go +++ b/microprom/labels.go @@ -54,7 +54,7 @@ func (ms *MetricSet) FormatLabels(n LabelNames, values ...string) Labels { // NOTE on API structure: This is not part of ms.Add() to allow reusing label sets for multiple metrics. if len(n.names) != len(values) { - panic("arguments are not of equal length") + panic(fmt.Sprintf("expected %d label values, but got %d", len(n.names), len(values))) } if len(n.names) == 0 { return "" |