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-rw-r--r--docs/history/13-gap-fixes/code/examples/lists.zc35
1 files changed, 0 insertions, 35 deletions
diff --git a/docs/history/13-gap-fixes/code/examples/lists.zc b/docs/history/13-gap-fixes/code/examples/lists.zc
deleted file mode 100644
index 6ac276e..0000000
--- a/docs/history/13-gap-fixes/code/examples/lists.zc
+++ /dev/null
@@ -1,35 +0,0 @@
-// ownership in practice: a list owns its boxes. nothing here calls free;
-// everything is released at the end of the block that owns it.
-fn box(v) -> .u { let b = new(1); b[0] = v; return u*b; }
-fn mklist(cap) -> .u { let l = new(cap + 1); l[0] = 0; return u*l; }
-// item m*arrives (it was given down), and goes d*on into the borrowed list
-fn push(.m l, .d item) { l[l[0] + 1] = d*item; l[0] = l[0] + 1; return 0; }
-fn show(.m l)
-{
- let i = 1;
- putc('[');
- while (i <= l[0]) { if (i > 1) putc(' '); putn(l[i][0]); i++; }
- putc(']');
- return 0;
-}
-fn squares(n) -> .u
-{
- let l = mklist(n), i = 0;
- while (i < n) {
- let b = box(i * i);
- push(l, d*b);
- i++;
- }
- return u*l;
-}
-fn main()
-{
- let before = live_objects();
- {
- let l = squares(6);
- show(l); putc(10);
- puts("live: "); putn(live_objects() - before); putc(10);
- }
- puts("after the block: "); putn(live_objects() - before); putc(10);
- return 0;
-}