stream_is_local() — internals

stream_is_local() — internals

Where it lives

• Signature: src/builtins/io/stream_is_local.rs
• Lowering: src/codegen/lower_inst/builtins/io.rs:2101 (lower_stream_is_local)
• Function symbol: lower_stream_is_local()

Lowering notes

• Lowers stream_is_local(stream) as a true predicate after evaluating its argument.

Runtime helpers

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

Signature summary

function stream_is_local(resource $stream): bool

What the type checker enforces

• Arity: takes exactly 1 argument.

Eval interpreter (magician)

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

Cross-references

• User reference for stream_is_local()