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Merge pull request #1450 from motu42/master

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Bug fix to support the tag attribute on braced structs with zero fields
This commit is contained in:
David Tolnay
2018-12-27 21:48:14 -05:00
committed by GitHub
parent b1b9702daf 889e17816f
commit 7e5066b878
2 changed files with 22 additions and 1 deletions
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serde_derive/src/ser.rs
+2 -1
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@@ -319,7 +319,8 @@ fn serialize_struct_as_struct(
.filter(|&field| !field.attrs.skip_serializing())
.peekable();
let let_mut = mut_if(serialized_fields.peek().is_some());
let let_mut = mut_if(serialized_fields.peek().is_some() ||
additional_field_count > 0);
let len = serialized_fields
.map(|field| match field.attrs.skip_serializing_if() {