2 #![warn(clippy::option_if_let_else)]
3 #![allow(clippy::redundant_closure)]
5 fn bad1(string: Option<&str>) -> (bool, &str) {
6 if let Some(x) = string {
13 fn else_if_option(string: Option<&str>) -> Option<(bool, &str)> {
16 } else if let Some(x) = string {
23 fn unop_bad(string: &Option<&str>, mut num: Option<i32>) {
24 let _ = if let Some(s) = *string { s.len() } else { 0 };
25 let _ = if let Some(s) = &num { s } else { &0 };
26 let _ = if let Some(s) = &mut num {
32 let _ = if let Some(ref s) = num { s } else { &0 };
33 let _ = if let Some(mut s) = num {
39 let _ = if let Some(ref mut s) = num {
47 fn longer_body(arg: Option<u32>) -> u32 {
48 if let Some(x) = arg {
56 fn impure_else(arg: Option<i32>) {
57 let side_effect = || {
61 let _ = if let Some(x) = arg {
64 // map_or_else must be suggested
69 fn test_map_or_else(arg: Option<u32>) {
70 let _ = if let Some(x) = arg {
80 fn negative_tests(arg: Option<u32>) -> u32 {
81 let _ = if let Some(13) = arg { "unlucky" } else { "lucky" };
83 let _ = if let Some(x) = arg {
89 let _ = if let Some(x) = arg {
98 let optional = Some(5);
99 let _ = if let Some(x) = optional { x + 2 } else { 5 };
101 let _ = else_if_option(None);
102 unop_bad(&None, None);
103 let _ = longer_body(None);
104 test_map_or_else(None);
105 let _ = negative_tests(None);
106 let _ = impure_else(None);