fix: clippy warning

killme2008 · killme2008 · commit e785f998daa8 · 2022-06-09T20:43:35.000+08:00
diff --git a/stdlib/src/mmap.rs b/stdlib/src/mmap.rs
@@ -595,7 +595,7 @@ mod mmap {
         #[pymethod]
         fn flush(&self, options: FlushOptions, vm: &VirtualMachine) -> PyResult<()> {
             let offset = options.offset.unwrap_or(0);
-            let size = options.size.unwrap_or(self.inner_size());
+            let size = options.size.unwrap_or_else(|| self.inner_size());
 
             if size < 0 || offset < 0 || self.inner_size() - offset < size {
                 return Err(vm.new_value_error("flush values out of range".to_owned()));
@@ -620,7 +620,7 @@ mod mmap {
         #[pymethod]
         fn madvise(&self, options: AdviseOptions, vm: &VirtualMachine) -> PyResult<()> {
             let start = options.start.unwrap_or(0);
-            let mut length = options.length.unwrap_or(self.inner_size());
+            let mut length = options.length.unwrap_or_else(|| self.inner_size());
 
             if start < 0 || start >= self.inner_size() {
                 return Err(vm.new_value_error("madvise start out of bounds".to_owned()));
