44 lines
1.2 KiB
Text
44 lines
1.2 KiB
Text
// this version uses types as values
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// every version i tried to make feels oddly hacky, unsure what to do
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fn serialize(data: Any, w: Write) {
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match std::const::type_info(std::const::type_of(data)) {
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.int => w.write(data.to_string()),
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.float => w.write(data.to_string()),
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.bool => w.write(data.to_string()),
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.enum => todo(),
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.struct(s) => {
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w.write("{");
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for field in s.fields {
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let d = std::const::get_struct_field(s, field.name);
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w.write(f"\"{field.name}\":{d}");
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}
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w.write("}");
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}
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_ => todo(),
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}
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}
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fn deserialize(into: type, json: Value) -> into {
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match (std::const::type_info(into), json) {
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(.int, .int(i)) => i,
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(.float, .float(f)) => f,
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(.bool, .bool(b)) => b,
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(.struct(s), .map(m)) => {
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let s = std::mem::uninit(into);
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for field in s.fields {
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s.set_field(field.name, m.get(field.name).expect("missing field!")).expect("wrong type!");
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}
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unsafe { s.assume_init() }
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},
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(_, _) => todo(),
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// (_, _) => panic("expected {into} but got {json.type_name()}"),
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}
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}
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// in std
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mod const {
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pub const fn type_of(data: Any) -> type;
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pub const fn type_info(ty: type) -> TypeInfo;
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pub const fn get_struct_field(data: struct, name: String) -> /* type of data.name */;
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}
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