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Bison grammar: support parsing default trait impls

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This commit is contained in:
Brian Leibig 2015-02-28 18:10:41 -08:00
parent 1576142495
commit e93b2abf37
1 changed files with 8 additions and 0 deletions
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8
src/grammar/parser-lalr.y
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@ -582,6 +582,14 @@ item_impl
{
$$ = mk_node("ItemImplNeg", 7, $1, $3, $5, $7, $8, $10, $11);
}
| maybe_unsafe IMPL generic_params trait_ref FOR DOTDOT '{' '}'
{
$$ = mk_node("ItemImplDefault", 3, $1, $3, $4);
}
| maybe_unsafe IMPL generic_params '!' trait_ref FOR DOTDOT '{' '}'
{
$$ = mk_node("ItemImplDefaultNeg", 3, $1, $3, $4);
}
;
maybe_impl_items