metrics: remove useless return types in redefs

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/src/metrics/metrics_base.nit b/src/metrics/metrics_base.nit
index 080ceec..ba4856e 100644 (file)
--- a/src/metrics/metrics_base.nit
+++ b/src/metrics/metrics_base.nit
@@ -248,9 +248,9 @@ class IntMetric
        end
 
        # Values average
-       redef fun avg: Float do return values_cache.avg
+       redef fun avg do return values_cache.avg
 
-       redef fun std_dev: Float do return values_cache.std_dev
+       redef fun std_dev do return values_cache.std_dev
 
        redef fun above_threshold do
                var above = new HashSet[ELM]
@@ -322,7 +322,7 @@ class FloatMetric
                return sum / values.length.to_f
        end
 
-       redef fun std_dev: Float do
+       redef fun std_dev do
                var sum = 0.0
                for value in values.values do
                        sum += (value - avg).pow(2.to_f)