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clamp() — internals
Compiler internals for clamp(): lowering path, type checks, and runtime helpers.
clamp() — internals
Where it lives
- Signature:
src/builtins/math/clamp.rs - Lowering:
src/codegen/lower_inst/builtins/math.rs:80 (lower_clamp) - Function symbol:
lower_clamp()
Lowering notes
- Lowers numeric
clamp(value, min, max)calls with PHP-compatible bound checks.
Runtime helpers
No direct __rt_* helpers captured — the lowering is inlined or routes through another builtin.
Signature summary
function clamp(int $value, int $min, int $max): mixedWhat the type checker enforces
- Arity: takes exactly 3 arguments.
Eval interpreter (magician)
- Declaration:
crates/elephc-magician/src/interpreter/builtins/math/clamp.rs(eval_builtin!) - Dispatch hooks:
direct,values