Method has_attr

crates/vm/src/builtins/type.rs:1098–1100

Fast lookup for attribute existence on a class.

(&self, attr_name: &'static PyStrInterned)

    /// Fast lookup for attribute existence on a class.
    pub fn has_attr(&self, attr_name: &'static PyStrInterned) -> bool {
        self.has_name_in_mro(attr_name)
    }

    /// Check if attribute exists in MRO, using method cache for fast check.
    /// Unlike find_name_in_mro, avoids cloning the value on cache hit.