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#![warn(clippy::unnecessary_literal_unwrap)]
#![allow(unreachable_code)]
#![allow(
clippy::unnecessary_lazy_evaluations,
clippy::diverging_sub_expression,
clippy::let_unit_value,
clippy::no_effect
)]
fn unwrap_option_some() {
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = 1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
}
#[rustfmt::skip] // force rustfmt not to remove braces in `|| { 234 }`
fn unwrap_option_none() {
let _val = panic!();
//~^ unnecessary_literal_unwrap
let _val = panic!("this always happens");
//~^ unnecessary_literal_unwrap
let _val: String = String::default();
//~^ unnecessary_literal_unwrap
let _val: u16 = 234;
//~^ unnecessary_literal_unwrap
let _val: u16 = 234;
//~^ unnecessary_literal_unwrap
let _val: u16 = { 234 };
//~^ unnecessary_literal_unwrap
let _val: u16 = { 234 };
//~^ unnecessary_literal_unwrap
panic!();
//~^ unnecessary_literal_unwrap
panic!("this always happens");
//~^ unnecessary_literal_unwrap
String::default();
//~^ unnecessary_literal_unwrap
234;
//~^ unnecessary_literal_unwrap
234;
//~^ unnecessary_literal_unwrap
{ 234 };
//~^ unnecessary_literal_unwrap
{ 234 };
//~^ unnecessary_literal_unwrap
}
fn unwrap_result_ok() {
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = panic!("{:?}", 1);
//~^ unnecessary_literal_unwrap
let _val = panic!("{1}: {:?}", 1, "this always happens");
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
panic!("{:?}", 1);
//~^ unnecessary_literal_unwrap
panic!("{1}: {:?}", 1, "this always happens");
//~^ unnecessary_literal_unwrap
}
fn unwrap_result_err() {
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = panic!("{:?}", 1);
//~^ unnecessary_literal_unwrap
let _val = panic!("{1}: {:?}", 1, "this always happens");
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
panic!("{:?}", 1);
//~^ unnecessary_literal_unwrap
panic!("{1}: {:?}", 1, "this always happens");
//~^ unnecessary_literal_unwrap
}
fn unwrap_methods_option() {
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = 1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
}
fn unwrap_methods_result() {
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = 1;
//~^ unnecessary_literal_unwrap
let _val = 1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
1;
//~^ unnecessary_literal_unwrap
}
fn unwrap_from_binding() {
macro_rules! from_macro {
() => {
Some("")
};
}
let val = from_macro!();
let _ = val.unwrap_or("");
}
fn unwrap_unchecked() {
let _ = 1;
//~^ unnecessary_literal_unwrap
let _ = unsafe { 1 + *(&1 as *const i32) }; // needs to keep the unsafe block
//
//~^^ unnecessary_literal_unwrap
let _ = 1 + 1;
//~^ unnecessary_literal_unwrap
let _ = 1;
//~^ unnecessary_literal_unwrap
let _ = unsafe { 1 + *(&1 as *const i32) };
//~^ unnecessary_literal_unwrap
let _ = 1 + 1;
//~^ unnecessary_literal_unwrap
let _ = 123;
//~^ unnecessary_literal_unwrap
}
fn main() {
unwrap_option_some();
unwrap_option_none();
unwrap_result_ok();
unwrap_result_err();
unwrap_methods_option();
unwrap_methods_result();
unwrap_unchecked();
}
|
