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Revert "MultiArrayList: Fix error when struct is 0 sized"

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This reverts commit 1f10cf4edf.

Re-opens #10618

I want to solve this a different way. `align(S)` where S is a 0-byte
type should work in this context.

This also caused issues such as
https://github.com/Vexu/arocc/issues/221
This commit is contained in:
Andrew Kelley
2022-01-24 21:28:12 -07:00
parent 2e9ce6facd
commit 913d61ebb9
2 changed files with 6 additions and 86 deletions
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29
lib/std/array_hash_map.zig
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@@ -2215,35 +2215,6 @@ test "auto store_hash" {
try testing.expect(meta.fieldInfo(HasExpensiveEqlUn.Data, .hash).field_type != void);
}
test "0 sized key" {
var map = AutoArrayHashMap(u0, i32).init(std.testing.allocator);
defer map.deinit();
try testing.expectEqual(map.get(0), null);
try map.put(0, 5);
try testing.expectEqual(map.get(0), 5);
try map.put(0, 10);
try testing.expectEqual(map.get(0), 10);
try testing.expectEqual(map.swapRemove(0), true);
try testing.expectEqual(map.get(0), null);
}
test "0 sized key and 0 sized value" {
var map = AutoArrayHashMap(u0, u0).init(std.testing.allocator);
defer map.deinit();
try testing.expectEqual(map.get(0), null);
try map.put(0, 0);
try testing.expectEqual(map.get(0), 0);
try testing.expectEqual(map.swapRemove(0), true);
try testing.expectEqual(map.get(0), null);
}
pub fn getHashPtrAddrFn(comptime K: type, comptime Context: type) (fn (Context, K) u32) {
return struct {
fn hash(ctx: Context, key: K) u32 {