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Add packed struct encoding #24

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Merged
mitchellh merged 1 commit into from
Jul 13, 2025
Merged

Add packed struct encoding #24

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12 changes: 11 additions & 1 deletion src/encoding.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,10 @@ pub const Encoding = union(enum) {
.@"opaque" => .void,
.@"enum" => |m| .init(m.tag_type),
.array => |arr| .{ .array = .{ .len = arr.len, .arr_type = arr.child } },
.@"struct" => .{ .structure = .{ .struct_type = T, .show_type_spec = true } },
.@"struct" => |m| switch (m.layout) {
.@"packed" => .init(m.backing_integer.?),
else => .{ .structure = .{ .struct_type = T, .show_type_spec = true } },
},
.@"union" => .{ .@"union" = .{
.union_type = T,
.show_type_spec = true,
Expand Down Expand Up @@ -323,6 +326,13 @@ test "Enum(c_uint) to Encoding.uint encoding" {
try encodingMatchesType(TestEnum, "I");
}

test "TestPackedStruct to Encoding.uint encoding" {
const TestPackedStruct = packed struct(u32) {
_: u32,
};
try encodingMatchesType(TestPackedStruct, "I");
}

test "*TestStruct to Encoding.pointer encoding" {
const TestStruct = extern struct {
float: f32,
Expand Down