Function clippy_utils::consts::constant_with_source

source · 
pub fn constant_with_source<'tcx>(
    lcx: &LateContext<'tcx>,
    typeck_results: &TypeckResults<'tcx>,
    e: &Expr<'_>
) -> Option<(Constant<'tcx>, ConstantSource)>
Expand description

Attempts to evaluate the expression as a constant.