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Remove unneeded allocation

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`<E as serde:🇩🇪:Error>::custom()` accepts any `T: Display`, not just
`String`. Therefore it accepts `Arguments<'_>` too so we can use
`format_args!()` instead of `format!()`.

See https://github.com/lightningdevkit/rust-lightning/pull/2187#discussion_r1168781355
This commit is contained in:
Martin Habovstiak 2023-05-04 11:21:04 +02:00
parent 56b0c96838
commit 6964299fc5
1 changed files with 1 additions and 1 deletions
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2
lightning-invoice/src/lib.rs
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@ -1725,7 +1725,7 @@ impl<'de> Deserialize<'de> for Invoice {
fn deserialize<D>(deserializer: D) -> Result<Invoice, D::Error> where D: Deserializer<'de> {
let bolt11 = String::deserialize(deserializer)?
.parse::<Invoice>()
.map_err(|e| D::Error::custom(alloc::format!("{:?}", e)))?;
.map_err(|e| D::Error::custom(format_args!("{:?}", e)))?;
Ok(bolt11)
}