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Move dispatch for unions into the kwargs

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This commit is contained in:
Joshua Suskalo 2021-09-25 12:27:40 -05:00
parent 7ead50641b
commit 415c842af1
1 changed files with 6 additions and 2 deletions
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8
src/clj/coffi/ffi.clj
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@ -495,13 +495,17 @@
;;; Union types
(defmethod c-layout ::union
[[_union _dispatch types & {:as _opts} :as _type]]
[[_union types & {:as _opts} :as _type]]
(let [items (map c-layout types)]
(MemoryLayout/unionLayout
(into-array MemoryLayout items))))
(defmethod serialize-into ::union
[obj [_union dispatch _types & {:keys [extract]}] segment scope]
[obj [_union _types & {:keys [dispatch extract]} :as type] segment scope]
(when-not dispatch
(throw (ex-info "Attempted to serialize a union with no dispatch function"
{:type type
:value obj})))
(let [type (dispatch obj)]
(serialize-into
(if extract