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[Rust] updated some function to "const" #1098

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Merged
vyazelenko merged 1 commit into from
Feb 18, 2026
Merged

[Rust] updated some function to "const" #1098

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8 changes: 4 additions & 4 deletions 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 @@ -189,7 +189,7 @@ static void generateReadBuf(final Appendable writer, final ByteOrder byteOrder)
indent(writer, 0, "#[allow(dead_code)]\n");
indent(writer, 0, "impl<%s> %s<%s> {\n", BUF_LIFETIME, READ_BUF_TYPE, BUF_LIFETIME);
indent(writer, 1, "#[inline]\n");
indent(writer, 1, "pub fn new(data: &%s [u8]) -> Self {\n", BUF_LIFETIME);
indent(writer, 1, "pub const fn new(data: &%s [u8]) -> Self {\n", BUF_LIFETIME);
indent(writer, 2, "Self { data }\n");
indent(writer, 1, "}\n\n");

Expand All @@ -205,7 +205,7 @@ static void generateReadBuf(final Appendable writer, final ByteOrder byteOrder)
uniquePrimitiveTypes.remove("u8");
indent(writer, 0, "\n");
indent(writer, 1, "#[inline]\n");
indent(writer, 1, "pub fn get_u8_at(&self, index: usize) -> u8 {\n");
indent(writer, 1, "pub const fn get_u8_at(&self, index: usize) -> u8 {\n");
indent(writer, 2, "self.data[index]\n");
indent(writer, 1, "}\n");

Expand Down Expand Up @@ -238,7 +238,7 @@ static void generateWriteBuf(final Writer writer, final ByteOrder byteOrder) thr
indent(writer, 0, "}\n");

indent(writer, 0, "impl<%s> %s<%s> {\n", BUF_LIFETIME, WRITE_BUF_TYPE, BUF_LIFETIME);
indent(writer, 1, "pub fn new(data: &%s mut [u8]) -> Self {\n", BUF_LIFETIME);
indent(writer, 1, "pub const fn new(data: &%s mut [u8]) -> Self {\n", BUF_LIFETIME);
indent(writer, 2, "Self { data }\n");
indent(writer, 1, "}\n\n");

Expand All @@ -255,7 +255,7 @@ static void generateWriteBuf(final Writer writer, final ByteOrder byteOrder) thr

uniquePrimitiveTypes.remove("u8");
indent(writer, 1, "#[inline]\n");
indent(writer, 1, "pub fn put_u8_at(&mut self, index: usize, value: u8) {\n");
indent(writer, 1, "pub const fn put_u8_at(&mut self, index: usize, value: u8) {\n");
indent(writer, 2, "self.data[index] = value;\n");
indent(writer, 1, "}\n\n");

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2 changes: 1 addition & 1 deletion sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/rust/MessageCoderDef.java
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Expand Up @@ -83,7 +83,7 @@ void generate(
appendWrapFn(sb);

indent(sb, 2, "#[inline]\n");
indent(sb, 2, "pub fn encoded_length(&self) -> usize {\n");
indent(sb, 2, "pub const fn encoded_length(&self) -> usize {\n");
indent(sb, 3, "self.limit - self.offset\n");
indent(sb, 2, "}\n\n");

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2 changes: 1 addition & 1 deletion sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/rust/SubGroup.java
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Expand Up @@ -103,7 +103,7 @@ void generateEncoder(

// block_length function
indent(sb, level, "#[inline]\n");
indent(sb, level, "pub fn block_length() -> %s {\n", rustTypeName(blockLengthPrimitiveType));
indent(sb, level, "pub const fn block_length() -> %s {\n", rustTypeName(blockLengthPrimitiveType));
indent(sb, level + 1, "%d\n", this.groupToken.encodedLength());
indent(sb, level, "}\n\n");

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