Propogate write! errors to ser::Error
std::fmt::Errors are now converted to ser::Errors via ser::Error::custom
//! # fn main() {}
//! ```
-#![allow(unused_must_use)]
-
use std::cell::Cell;
use std::error;
use std::fmt::{self, Write};
@@ -424,7 +422,7 @@ impl<'a> Serializer<'a> {
fn display<T: fmt::Display>(&mut self, t: T, type_: &'static str) -> Result<(), Error> {
self.emit_key(type_)?;
- write!(self.dst, "{}", t);
+ write!(self.dst, "{}", t).map_err(ser::Error::custom)?;
if let State::Table { .. } = self.state {
self.dst.push_str("\n");
}
@@ -517,7 +515,7 @@ impl<'a> Serializer<'a> {
_ => false,
});
if ok {
- write!(self.dst, "{}", key);
+ write!(self.dst, "{}", key).map_err(ser::Error::custom)?;
} else {
self.emit_str(key, true)?;
}
@@ -650,7 +648,7 @@ impl<'a> Serializer<'a> {
'\u{22}' => self.dst.push_str("\\\""),
'\u{5c}' => self.dst.push_str("\\\\"),
c if c < '\u{1f}' => {
- write!(self.dst, "\\u{:04X}", ch as u32);
+ write!(self.dst, "\\u{:04X}", ch as u32).map_err(ser::Error::custom)?;
}
ch => self.dst.push(ch),
}
@@ -754,15 +752,15 @@ macro_rules! serialize_float {
($this:expr, $v:expr) => {{
$this.emit_key("float")?;
if ($v.is_nan() || $v == 0.0) && $v.is_sign_negative() {
- write!($this.dst, "-");
+ write!($this.dst, "-").map_err(ser::Error::custom)?;
}
if $v.is_nan() {
- write!($this.dst, "nan");
+ write!($this.dst, "nan").map_err(ser::Error::custom)?;
} else {
- write!($this.dst, "{}", $v);
+ write!($this.dst, "{}", $v).map_err(ser::Error::custom)?;
}
if $v % 1.0 == 0.0 {
- write!($this.dst, ".0");
+ write!($this.dst, ".0").map_err(ser::Error::custom)?;
}
if let State::Table { .. } = $this.state {
$this.dst.push_str("\n");
