diff options
Diffstat (limited to 'compiler/rustc_parse/src/parser')
| -rw-r--r-- | compiler/rustc_parse/src/parser/item.rs | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index f12b4ca249d..58b4bf8980b 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -1836,6 +1836,22 @@ impl<'a> Parser<'a> { return Err(err); } }; + let mut default = None; + if p.token == token::Eq { + let mut snapshot = p.create_snapshot_for_diagnostic(); + snapshot.bump(); + match snapshot.parse_expr_anon_const() { + Ok(const_expr) => { + let sp = ty.span.shrink_to_hi().to(const_expr.value.span); + p.psess.gated_spans.gate(sym::default_field_values, sp); + p.restore_snapshot(snapshot); + default = Some(const_expr); + } + Err(err) => { + err.cancel(); + } + } + } Ok(( FieldDef { @@ -1845,7 +1861,7 @@ impl<'a> Parser<'a> { ident: None, id: DUMMY_NODE_ID, ty, - default: None, + default, attrs, is_placeholder: false, }, |
