filesize() — internals

filesize() — internals

Where it lives

• Signature: src/builtins/io/filesize.rs
• Lowering: src/codegen/lower_inst/builtins/io.rs:5420 (lower_filesize)
• Function symbol: lower_filesize()

Lowering notes

• Lowers filesize(path) through the target-aware runtime stat helper.

Runtime helpers

The following runtime helpers are referenced:

• __rt_filemtime
• __rt_link
• __rt_linkinfo
• __rt_symlink

Signature summary

function filesize(string $filename): int

What the type checker enforces

• Arity: takes exactly 1 argument.

Eval interpreter (magician)

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

Cross-references

• User reference for filesize()