gzcompress() — internals

gzcompress() — internals

Where it lives

• Signature: src/builtins/string/gzcompress.rs
• Lowering: src/codegen/lower_inst/builtins/strings.rs:464 (lower_gzcompress)
• Function symbol: lower_gzcompress()

Lowering notes

• Lowers gzcompress(data, level?) through inline zlib compress2 calls.

Runtime helpers

No direct __rt_* helpers captured — the lowering is inlined or routes through another builtin.

Signature summary

function gzcompress(string $data, int $level = -1): string

What the type checker enforces

• Arity: takes 1–2 arguments (1 optional).

Eval interpreter (magician)

• Declaration: crates/elephc-magician/src/interpreter/builtins/string/gzcompress.rs (eval_builtin!)
• Dispatch hooks: direct, values

Cross-references

• User reference for gzcompress()