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[Rust] Add derive Copy Clone traits for decoders #940

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Merged
merged 1 commit into from
Jun 8, 2023
Merged

[Rust] Add derive Copy Clone traits for decoders #940

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2 changes: 1 addition & 1 deletion sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/rust/LibRsDef.java
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Original file line number Diff line number Diff line change
Expand Up @@ -149,7 +149,7 @@ static void generateEitherEnum(final Writer writer) throws IOException

static void generateReadBuf(final Appendable writer, final ByteOrder byteOrder) throws IOException
{
indent(writer, 0, "#[derive(Debug, Default)]\n");
indent(writer, 0, "#[derive(Clone, Copy, Debug, Default)]\n");
indent(writer, 0, "pub struct %s<%s> {\n", READ_BUF_TYPE, BUF_LIFETIME);
RustUtil.indent(writer, 1, "data: &%s [u8],\n", BUF_LIFETIME);
indent(writer, 0, "}\n");
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10 changes: 9 additions & 1 deletion sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/rust/MessageCoderDef.java
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Expand Up @@ -155,7 +155,15 @@ void appendMessageHeaderDecoderFn(final Appendable out) throws IOException

void appendMessageStruct(final Appendable out, final String structName) throws IOException
{
indent(out, 1, "#[derive(Debug, Default)]\n");
if (this.codecType == Decoder)
{
indent(out, 1, "#[derive(Clone, Copy, Debug, Default)]\n");
}
else
{
indent(out, 1, "#[derive(Debug, Default)]\n");
}

indent(out, 1, "pub struct %s {\n", withLifetime(structName));
indent(out, 2, "buf: %s,\n", withLifetime(this.codecType.bufType()));
indent(out, 2, "initial_offset: usize,\n");
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