const_panic/fmt_impls/
rust_1_64_fmt_impls.rsuse crate::{
fmt::{FmtArg, FmtKind, PanicFmt},
PanicVal, StdWrapper,
};
use core::str::Utf8Error;
#[cfg_attr(feature = "docsrs", doc(cfg(feature = "rust_1_64")))]
impl PanicFmt for Utf8Error {
type This = Self;
type Kind = crate::fmt::IsStdType;
const PV_COUNT: usize = 5;
}
#[cfg_attr(feature = "docsrs", doc(cfg(feature = "rust_1_64")))]
impl StdWrapper<&Utf8Error> {
pub const fn to_panicvals(self, fmtarg: FmtArg) -> [PanicVal<'static>; Utf8Error::PV_COUNT] {
let this = *self.0;
match fmtarg.fmt_kind {
FmtKind::Display => {
let [pv0, pv1, pv2] = match this.error_len() {
Some(x) => [
PanicVal::write_str("invalid utf-8 sequence of "),
PanicVal::from_usize(x, fmtarg),
PanicVal::write_str(" bytes "),
],
None => [
PanicVal::write_str("incomplete utf-8 byte sequence "),
PanicVal::EMPTY,
PanicVal::EMPTY,
],
};
[
pv0,
pv1,
pv2,
PanicVal::write_str("from index "),
PanicVal::from_usize(this.valid_up_to(), fmtarg),
]
}
FmtKind::Debug => {
let [pv0, pv1, pv2] = match this.error_len() {
Some(x) => [
PanicVal::write_str(", error_len: Some("),
PanicVal::from_usize(x, fmtarg),
PanicVal::write_str(") }"),
],
None => [
PanicVal::write_str(", error_len: None }"),
PanicVal::EMPTY,
PanicVal::EMPTY,
],
};
[
PanicVal::write_str("Utf8Error { valid_up_to: "),
PanicVal::from_usize(this.valid_up_to(), fmtarg),
pv0,
pv1,
pv2,
]
}
}
}
}