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Restore support for rustc <1.36

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David Tolnay 2019-10-12 11:08:32 -07:00
parent b78fe1891b
commit 5b0d29a6e5
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1 changed files with 2 additions and 2 deletions
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4
impl/src/expand.rs
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@ -87,13 +87,13 @@ fn impl_enum(input: &DeriveInput, data: &DataEnum) -> Result<TokenStream> {
let sources: Vec<Option<Member>> = variant_fields
.iter()
.copied()
.cloned()
.map(source_member)
.collect::<Result<_>>()?;
let backtraces: Vec<Option<Member>> = variant_fields
.iter()
.copied()
.cloned()
.map(backtrace_member)
.collect::<Result<_>>()?;