fix: minimum supported rust version

Author: wackywendell

src/parse/text/simple_extensions/types.rs

@@ -400,15 +400,14 @@ impl ParameterConstraint {
             TypeParamDefsItemType::DataType => Self::DataType,
             TypeParamDefsItemType::Boolean => Self::Boolean,
             TypeParamDefsItemType::Integer => {
-                if let Some(min_f) = min
-                    && min_f.fract() != 0.0
-                {
-                    return Err(TypeParamError::InvalidIntegerBounds { min, max });
-                }
-                if let Some(max_f) = max
-                    && max_f.fract() != 0.0
-                {
-                    return Err(TypeParamError::InvalidIntegerBounds { min, max });
+                match (min, max) {
+                    (Some(min_f), _) if min_f.fract() != 0.0 => {
+                        return Err(TypeParamError::InvalidIntegerBounds { min, max });
+                    }
+                    (_, Some(max_f)) if max_f.fract() != 0.0 => {
+                        return Err(TypeParamError::InvalidIntegerBounds { min, max });
+                    }
+                    _ => (),
                 }
 
                 let min_i = min.map(|v| v as i64);