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asin() — internals

Compiler internals for asin(): lowering path, type checks, and runtime helpers.

asin() — internals

Where it lives

Lowering notes

  • Lowers a one-argument libm builtin such as sin(), cos(), or exp().

Runtime helpers

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

Signature summary

function asin(float $num): float

What the type checker enforces

  • Arity: takes exactly 1 argument.

Eval interpreter (magician)

Cross-references