date_sunset() — internals

date_sunset() — internals

Where it lives

• Signature: crates/elephc-builtin-contract/src/catalog_surfaces.rs
• Lowering: src/name_resolver/expressions.rs:753 (rewrite_date_procedural_call)
• Function symbol: rewrite_date_procedural_call()

Lowering notes

• Rewritten by the name resolver into a constructor or method call on the corresponding builtin class before type checking.

Semantic descriptor

Shared contract without a registry semantic descriptor.

EIR and runtime boundary

No registry-backed typed runtime target applies.

Signature summary

function date_sunset(int $timestamp, int $returnFormat = SUNFUNCS_RET_STRING, ?float $latitude = null, ?float $longitude = null, ?float $zenith = null, ?float $utcOffset = null): mixed

What the type checker enforces

• Arity: takes 1–6 arguments (5 optional).

Eval interpreter (magician)

Dispatched as a procedural date/time alias by crates/elephc-magician/src/interpreter/builtins/time/aliases.rs.

Cross-references

• User reference for date_sunset()