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Merge pull request #671 from pyrmont/feature.metadata

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Support adding arbitrary metadata to bindings
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Calvin Rose 2021-03-24 16:56:25 -05:00 committed by GitHub
commit 83f7de33c0
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2 changed files with 15 additions and 0 deletions
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3
src/core/specials.c
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@ -251,6 +251,9 @@ static JanetTable *handleattr(JanetCompiler *c, int32_t argn, const Janet *argv)
case JANET_STRING:
janet_table_put(tab, janet_ckeywordv("doc"), attr);
break;
case JANET_STRUCT:
janet_table_merge_struct(tab, janet_unwrap_struct(attr));
break;
}
}
return tab;

12
test/suite0004.janet
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@ -70,5 +70,17 @@
(assert (= ~(,defn 1 2 3) [defn 1 2 3]) "bracket tuples are never macros")
(assert (= ~(,+ 1 2 3) [+ 1 2 3]) "bracket tuples are never function calls")
# Metadata
(def foo-with-tags :a-tag :bar)
(assert (get (dyn 'foo-with-tags) :a-tag) "extra keywords in def are metadata tags")
(def foo-with-meta {:baz :quux} :bar)
(assert (= :quux (get (dyn 'foo-with-meta) :baz)) "extra struct in def is metadata")
(defn foo-fn-with-meta {:baz :quux} "This is a function" [x] (identity x))
(assert (= :quux (get (dyn 'foo-fn-with-meta) :baz)) "extra struct in defn is metadata")
(assert (= "(foo-fn-with-meta x)\n\nThis is a function" (get (dyn 'foo-fn-with-meta) :doc)) "extra string in defn is docstring")
(end-suite)