From e5cc80fb6a608aa1fbd0d6fabd1cf614a0fc004a Mon Sep 17 00:00:00 2001 From: hachem Date: Sat, 19 Sep 2026 14:49:36 +0200 Subject: fix: add a workaround for redeclaration --- examples/reassign.sfinae | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 examples/reassign.sfinae (limited to 'examples') diff --git a/examples/reassign.sfinae b/examples/reassign.sfinae new file mode 100644 index 0000000..9863cae --- /dev/null +++ b/examples/reassign.sfinae @@ -0,0 +1,16 @@ +// there is no assignment. to change x, undeclare it and declare it again +// if the new value depends on the old one, park it in a second variable first, +// because the old one is gone by the time you declare + +::declare<::name<'x'>, ::decltype(::difference<'F', 'A'>)>::commit; +::emit<::decltype(::value_of<::name<'x'>>)>::commit; + +::declare< + ::name<'n', 'e', 'x', 't'>, + ::decltype(::sum<::value_of<::name<'x'>>, ::difference<'B', 'A'>>) +>::commit; +::undeclare<::name<'x'>>::commit; +::declare<::name<'x'>, ::decltype(::value_of<::name<'n', 'e', 'x', 't'>>)>::commit; +::undeclare<::name<'n', 'e', 'x', 't'>>::commit; + +::emit<::decltype(::value_of<::name<'x'>>)>::commit; -- cgit v1.3