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diff --git a/tests/std/mem.toc b/tests/std/mem.toc
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+// TODO: check for failed calloc
+calloc ::= #foreign("calloc", "libc.so.6") fn(#C size_t, #C size_t) #C &"void";
+free ::= #foreign("free", "libc.so.6") fn(#C &"void");
+
+new ::= fn(t :: Type) &t {
+ calloc(1, (sizeof t) as #C size_t)
+}
+
+news ::= fn(t :: Type, n : int) []t {
+ s: []t;
+ s.data = calloc(n as #C size_t, (sizeof t) as #C size_t);
+ s.len = n;
+ s
+}
+
+// TODO(eventually): use type information to make this just one function
+del ::= fn(t::=, x: &t) {
+ free(x);
+}
+
+dels ::= fn(t::=, x: []t) {
+ free(x.data);
+}