2 #![warn(clippy::option_if_let_else)]
3 #![allow(clippy::redundant_closure)]
4 #![allow(clippy::ref_option_ref)]
6 fn bad1(string: Option<&str>) -> (bool, &str) {
7 if let Some(x) = string {
14 fn else_if_option(string: Option<&str>) -> Option<(bool, &str)> {
17 } else if let Some(x) = string {
24 fn unop_bad(string: &Option<&str>, mut num: Option<i32>) {
25 let _ = if let Some(s) = *string { s.len() } else { 0 };
26 let _ = if let Some(s) = &num { s } else { &0 };
27 let _ = if let Some(s) = &mut num {
33 let _ = if let Some(ref s) = num { s } else { &0 };
34 let _ = if let Some(mut s) = num {
40 let _ = if let Some(ref mut s) = num {
48 fn longer_body(arg: Option<u32>) -> u32 {
49 if let Some(x) = arg {
57 fn impure_else(arg: Option<i32>) {
58 let side_effect = || {
62 let _ = if let Some(x) = arg {
65 // map_or_else must be suggested
70 fn test_map_or_else(arg: Option<u32>) {
71 let _ = if let Some(x) = arg {
81 fn negative_tests(arg: Option<u32>) -> u32 {
82 let _ = if let Some(13) = arg { "unlucky" } else { "lucky" };
84 let _ = if let Some(x) = arg {
90 let _ = if let Some(x) = arg {
99 let optional = Some(5);
100 let _ = if let Some(x) = optional { x + 2 } else { 5 };
102 let _ = else_if_option(None);
103 unop_bad(&None, None);
104 let _ = longer_body(None);
105 test_map_or_else(None);
106 let _ = negative_tests(None);
107 let _ = impure_else(None);