Function expr_as_usize_literal

nodedb-sql/src/coerce.rs:58–64

Resolve an `Expr::Value` into a `usize` if numeric-shaped. Thin wrapper that unpacks the `Expr` → `Value` layer so callers reading LIMIT/OFFSET clauses don't each re-write the unpack.

(expr: &ast::Expr)

/// wrapper that unpacks the `Expr` → `Value` layer so callers reading
/// LIMIT/OFFSET clauses don't each re-write the unpack.
pub fn expr_as_usize_literal(expr: &ast::Expr) -> Option<usize> {
    if let ast::Expr::Value(v) = expr {
        as_usize_literal(&v.value)
    } else {
        None
    }
}

/// Resolve a `Value` into an `f64` if numeric-shaped.
///