metrics_base: Do not rely on the implicit fixing of type bounds

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>

diff --git a/src/metrics/metrics_base.nit b/src/metrics/metrics_base.nit
index a2fb201..216e2b3 100644 (file)
--- a/src/metrics/metrics_base.nit
+++ b/src/metrics/metrics_base.nit
@@ -235,7 +235,7 @@ end
 class IntMetric
        super Metric
 
-       redef type VAL: Int
+       redef type VAL: Int is fixed
        redef type RES: Counter[ELM]
 
        # `IntMetric` uses a Counter to store values in intern.