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#![allow(unused, dead_code)]
#![warn(clippy::format_collect)]
fn hex_encode(bytes: &[u8]) -> String {
bytes.iter().map(|b| format!("{b:02X}")).collect()
//~^ ERROR: use of `format!` to build up a string from an iterator
}
#[rustfmt::skip]
fn hex_encode_deep(bytes: &[u8]) -> String {
bytes.iter().map(|b| {{{{{ format!("{b:02X}") }}}}}).collect()
//~^ ERROR: use of `format!` to build up a string from an iterator
}
macro_rules! fmt {
($x:ident) => {
format!("{x:02X}", x = $x)
};
}
fn from_macro(bytes: &[u8]) -> String {
bytes.iter().map(|x| fmt!(x)).collect()
}
fn with_block() -> String {
(1..10)
//~^ ERROR: use of `format!` to build up a string from an iterator
.map(|s| {
let y = 1;
format!("{s} {y}")
})
.collect()
}
fn main() {}
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