// run-rustfix
#![allow(unused_must_use)]
#![allow(named_arguments_used_positionally)] // Unstable at time of writing.
#![warn(clippy::positional_named_format_parameters)]

use std::io::Write;

fn main() {
    let mut v = Vec::new();
    let hello = "Hello";

    println!("{hello:.foo$}", foo = 2);
    writeln!(v, "{hello:.foo$}", foo = 2);

    // Warnings
    println!("{zero} {one:?}", zero = 0, one = 1);
    println!("This is a test {zero} {one:?}", zero = 0, one = 1);
    println!("Hello {one} is {two:.zero$}", zero = 5, one = hello, two = 0.01);
    println!("Hello {one:zero$}!", zero = 5, one = 1);
    println!("Hello {zero:one$}!", zero = 4, one = 1);
    println!("Hello {zero:0one$}!", zero = 4, one = 1);
    println!("Hello is {one:.zero$}", zero = 5, one = 0.01);
    println!("Hello is {one:<6.zero$}", zero = 5, one = 0.01);
    println!("{zero}, `{two:>8.one$}` has 3", zero = hello, one = 3, two = hello);
    println!("Hello {one} is {two:.zero$}", zero = 5, one = hello, two = 0.01);
    println!("Hello {world} {world}!", world = 5);

    writeln!(v, "{zero} {one:?}", zero = 0, one = 1);
    writeln!(v, "This is a test {zero} {one:?}", zero = 0, one = 1);
    writeln!(v, "Hello {one} is {two:.zero$}", zero = 5, one = hello, two = 0.01);
    writeln!(v, "Hello {one:zero$}!", zero = 4, one = 1);
    writeln!(v, "Hello {zero:one$}!", zero = 4, one = 1);
    writeln!(v, "Hello {zero:0one$}!", zero = 4, one = 1);
    writeln!(v, "Hello is {one:.zero$}", zero = 3, one = 0.01);
    writeln!(v, "Hello is {one:<6.zero$}", zero = 2, one = 0.01);
    writeln!(v, "{zero}, `{two:>8.one$}` has 3", zero = hello, one = 3, two = hello);
    writeln!(v, "Hello {one} is {two:.zero$}", zero = 1, one = hello, two = 0.01);
    writeln!(v, "Hello {world} {world}!", world = 0);

    // Tests from other files
    println!("{w:w$}", w = 1);
    println!("{p:.p$}", p = 1);
    println!("{v}", v = 1);
    println!("{v:v$}", v = 1);
    println!("{v:v$}", v = 1);
    println!("{v:v$.v$}", v = 1);
    println!("{v:v$.v$}", v = 1);
    println!("{v:v$.v$}", v = 1);
    println!("{v:v$.v$}", v = 1);
    println!("{v:v$.v$}", v = 1);
    println!("{v:v$.v$}", v = 1);
    println!("{v:v$.v$}", v = 1);
    println!("{w:w$}", w = 1);
    println!("{p:.p$}", p = 1);
    println!("{:p$.w$}", 1, w = 1, p = 1);
}