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vsprintf() — internals
Compiler internals for vsprintf(): lowering path, type checks, and runtime helpers.
vsprintf() — internals
Where it lives
- Signature:
src/builtins/string/vsprintf.rs - Lowering:
src/codegen/lower_inst/builtins/strings.rs:586 (lower_vsprintf) - Function symbol:
lower_vsprintf()
Lowering notes
- Lowers
vsprintf(format, values)through the array-to-sprintf runtime bridge.
Runtime helpers
The following runtime helpers are referenced:
__rt_sprintf
Signature summary
function vsprintf(string $format, array $values): stringWhat the type checker enforces
- Arity: takes exactly 2 arguments.
Eval interpreter (magician)
- Declaration:
crates/elephc-magician/src/interpreter/builtins/formatting/vsprintf.rs(eval_builtin!) - Dispatch hooks:
direct,values