--- /dev/null
+fn main() {
+ let _ = (0..4).filter_map(|x| if x > 1 { Some(x) } else { None });
+ let _ = (0..4).filter_map(|x| {
+ if x > 1 {
+ return Some(x);
+ };
+ None
+ });
+ let _ = (0..4).filter_map(|x| match x {
+ 0 | 1 => None,
+ _ => Some(x),
+ });
+
+ let _ = (0..4).filter_map(|x| Some(x + 1));
+
+ let _ = (0..4).filter_map(i32::checked_abs);
+}