class_alias() — internals

class_alias() — internals

Where it lives

• Signature: src/builtins/callables/class_alias.rs
• Lowering: src/codegen/lower_inst/builtins/types.rs:41 (lower_class_alias)
• Function symbol: lower_class_alias()

Lowering notes

• Lowers the defensive class_alias() fallback that remains after AOT alias extraction.

Runtime helpers

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

Signature summary

function class_alias(string $class, string $alias, bool $autoload = true): bool

What the type checker enforces

• Arity: takes 2–3 arguments (1 optional).

Cross-references

• User reference for class_alias()