define() — internals

define() — internals

Where it lives

• Signature: src/builtins/system/define.rs
• Lowering: src/codegen/lower_inst/builtins.rs:371 (lower_define)
• Function symbol: lower_define()

Lowering notes

• Lowers define("NAME", value) with the duplicate-name runtime guard.

Runtime helpers

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

Signature summary

function define(string $constant_name, mixed $value): bool

What the type checker enforces

• Arity: takes exactly 2 arguments.

Eval interpreter (magician)

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

Cross-references

• User reference for define()