aggregation validate: use constants for output

thomasstauffer666 · thomasstauffer666 · commit abd0b0fe70d5 · 2025-11-26T15:45:38.000+01:00
diff --git a/opentelemetry-sdk/src/metrics/aggregation.rs b/opentelemetry-sdk/src/metrics/aggregation.rs
@@ -130,12 +130,12 @@ impl Aggregation {
             Aggregation::Base2ExponentialHistogram { max_scale, .. } => {
                 if *max_scale > EXPO_MAX_SCALE {
                     return Err(MetricError::Config(format!(
-                        "aggregation: exponential histogram: max scale ({max_scale}) is greater than 20",
+                        "aggregation: exponential histogram: max scale ({max_scale}) is greater than {}", EXPO_MAX_SCALE
                     )));
                 }
                 if *max_scale < EXPO_MIN_SCALE {
                     return Err(MetricError::Config(format!(
-                        "aggregation: exponential histogram: max scale ({max_scale}) is less than -10",
+                        "aggregation: exponential histogram: max scale ({max_scale}) is less than {}", EXPO_MIN_SCALE
                     )));
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -130,12 +130,12 @@ impl Aggregation {`
`130`	`130`	`Aggregation::Base2ExponentialHistogram { max_scale, .. } => {`
`131`	`131`	`if *max_scale > EXPO_MAX_SCALE {`
`132`	`132`	`return Err(MetricError::Config(format!(`
`133`		`- "aggregation: exponential histogram: max scale ({max_scale}) is greater than 20",`
	`133`	`+ "aggregation: exponential histogram: max scale ({max_scale}) is greater than {}", EXPO_MAX_SCALE`
`134`	`134`	`)));`
`135`	`135`	`}`
`136`	`136`	`if *max_scale < EXPO_MIN_SCALE {`
`137`	`137`	`return Err(MetricError::Config(format!(`
`138`		`- "aggregation: exponential histogram: max scale ({max_scale}) is less than -10",`
	`138`	`+ "aggregation: exponential histogram: max scale ({max_scale}) is less than {}", EXPO_MIN_SCALE`
`139`	`139`	`)));`
`140`	`140`	`}`
`141`	`141`