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Diffstat (limited to 'src/libsyntax/ext/deriving/encodable.rs')
| -rw-r--r-- | src/libsyntax/ext/deriving/encodable.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/ext/deriving/encodable.rs b/src/libsyntax/ext/deriving/encodable.rs index 06255f46779..6425e6a28ec 100644 --- a/src/libsyntax/ext/deriving/encodable.rs +++ b/src/libsyntax/ext/deriving/encodable.rs @@ -240,7 +240,7 @@ fn encodable_substructure(cx: &mut ExtCtxt, trait_span: Span, let encoder = cx.expr_ident(trait_span, blkarg); let emit_variant_arg = cx.ident_of("emit_enum_variant_arg"); let mut stmts = Vec::new(); - if fields.len() > 0 { + if !fields.is_empty() { let last = fields.len() - 1; for (i, &FieldInfo { ref self_, span, .. }) in fields.iter().enumerate() { let enc = cx.expr_method_call(span, self_.clone(), |