Function format_value

compiler/src/modules/vm/handlers/format.rs:17–27

(v: Val, spec: &str, heap: &HeapPool)

}

pub fn format_value(v: Val, spec: &str, heap: &HeapPool) -> Result<String, &'static str> {
    if spec.is_empty() {
        return Ok(display_inline(v, heap));
    }
    let parsed = parse_spec(spec)?;
    // Cap against the heap budget; precision also below core::fmt's u16 abort threshold (panics at >= 65535).
    const PRECISION_MAX: usize = 65_000;
    if parsed.width > heap.limit() { return Err("format width exceeds limit"); }
    if parsed.precision.is_some_and(|p| p > heap.limit().min(PRECISION_MAX)) { return Err("format precision exceeds limit"); }
    apply(v, &parsed, heap)
}

#[derive(Default, Clone)]
struct Spec {