copy() — internals

copy() — internals

Where it lives

• Signature: src/builtins/io/copy.rs
• Lowering: src/codegen/lower_inst/builtins/io.rs:4439 (lower_copy)
• Function symbol: lower_copy()

Lowering notes

• Lowers copy(source, dest) through the target-aware runtime helper.

Runtime helpers

The following runtime helpers are referenced:

• __rt_copy
• __rt_glob
• __rt_scandir
• __rt_tempnam

Signature summary

function copy(string $from, string $to): bool

What the type checker enforces

• Arity: takes exactly 2 arguments.

Eval interpreter (magician)

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

Cross-references

• User reference for copy()