{"ast_node_type":"variable","tokens":[{"end":85,"kind":"keyword","start":0,"text":"let"}]}
        let Scalar::Initialized { value, valid_range } = scalar else { return None };
    pub fn from_scalar<C: HasDataLayout>(cx: &C, offset: Size, scalar: Scalar) -> Option<Self> {
        let niche = Niche { offset, value, valid_range };