mirror of https://github.com/rust-lang/rust
58 lines
1.4 KiB
Rust
58 lines
1.4 KiB
Rust
#![allow(dead_code)]
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#![feature(never_type)]
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#[derive(Debug, Default)]
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struct Demo {}
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#[derive(Debug)]
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struct DemoNoDef {}
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fn apple(_: u32) {}
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fn banana() {
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let chaenomeles;
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apple(chaenomeles);
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//~^ ERROR used binding `chaenomeles` isn't initialized [E0381]
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}
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fn main() {
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let my_bool: bool = bool::default();
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println!("my_bool: {}", my_bool);
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let my_float: f32;
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println!("my_float: {}", my_float);
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//~^ ERROR used binding `my_float` isn't initialized
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let demo: Demo;
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println!("demo: {:?}", demo);
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//~^ ERROR used binding `demo` isn't initialized
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let demo_no: DemoNoDef;
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println!("demo_no: {:?}", demo_no);
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//~^ ERROR used binding `demo_no` isn't initialized
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let arr: [i32; 5];
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println!("arr: {:?}", arr);
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//~^ ERROR used binding `arr` isn't initialized
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let foo: Vec<&str>;
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println!("foo: {:?}", foo);
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//~^ ERROR used binding `foo` isn't initialized
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let my_string: String;
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println!("my_string: {}", my_string);
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//~^ ERROR used binding `my_string` isn't initialized
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let my_int: &i32;
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println!("my_int: {}", *my_int);
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//~^ ERROR used binding `my_int` isn't initialized
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let hello: &str;
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println!("hello: {}", hello);
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//~^ ERROR used binding `hello` isn't initialized
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let never: !;
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println!("never: {}", never);
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//~^ ERROR used binding `never` isn't initialized [E0381]
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banana();
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}
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