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cbe: implement optional slice representation change

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This commit is contained in:
Jacob Young
2022-10-29 05:58:41 -04:00
parent e20d2b3151 20925b2f5c
commit 48a2783969
378 changed files with 21802 additions and 38980 deletions
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16
test/behavior/optional.zig
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@@ -3,6 +3,7 @@ const std = @import("std");
const testing = std.testing;
const expect = testing.expect;
const expectEqual = testing.expectEqual;
const expectEqualStrings = std.testing.expectEqualStrings;
test "passing an optional integer as a parameter" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
@@ -425,3 +426,18 @@ test "alignment of wrapping an optional payload" {
};
try expect(S.foo().?.x == 1234);
}
test "Optional slice size is optimized" {
if (builtin.zig_backend == .stage1) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest;
try expect(@sizeOf(?[]u8) == @sizeOf([]u8));
var a: ?[]const u8 = null;
try expect(a == null);
a = "hello";
try expectEqualStrings(a.?, "hello");
}