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// run-rustfix
#![warn(clippy::option_map_unit_fn)]
#![allow(unused)]
#![allow(clippy::unnecessary_wraps)]
fn do_nothing<T>(_: T) {}
fn diverge<T>(_: T) -> ! {
panic!()
}
fn plus_one(value: usize) -> usize {
value + 1
}
fn option() -> Option<usize> {
Some(10)
}
struct HasOption {
field: Option<usize>,
}
impl HasOption {
fn do_option_nothing(&self, value: usize) {}
fn do_option_plus_one(&self, value: usize) -> usize {
value + 1
}
}
#[rustfmt::skip]
fn option_map_unit_fn() {
let x = HasOption { field: Some(10) };
x.field.map(plus_one);
let _ : Option<()> = x.field.map(do_nothing);
x.field.map(do_nothing);
x.field.map(do_nothing);
x.field.map(diverge);
let captured = 10;
if let Some(value) = x.field { do_nothing(value + captured) };
let _ : Option<()> = x.field.map(|value| do_nothing(value + captured));
x.field.map(|value| x.do_option_nothing(value + captured));
x.field.map(|value| { x.do_option_plus_one(value + captured); });
x.field.map(|value| do_nothing(value + captured));
x.field.map(|value| { do_nothing(value + captured) });
x.field.map(|value| { do_nothing(value + captured); });
x.field.map(|value| { { do_nothing(value + captured); } });
x.field.map(|value| diverge(value + captured));
x.field.map(|value| { diverge(value + captured) });
x.field.map(|value| { diverge(value + captured); });
x.field.map(|value| { { diverge(value + captured); } });
x.field.map(|value| plus_one(value + captured));
x.field.map(|value| { plus_one(value + captured) });
x.field.map(|value| { let y = plus_one(value + captured); });
x.field.map(|value| { plus_one(value + captured); });
x.field.map(|value| { { plus_one(value + captured); } });
x.field.map(|ref value| { do_nothing(value + captured) });
option().map(do_nothing);
option().map(|value| println!("{:?}", value));
}
fn main() {}
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