public static ILEmitter EmitHashing(this IHasherEmitter hasher, ILEmitter il, LocalBuilder hash)
{
var add = Add(
Shl(Ldloc(hash), Ldc_I4(5)),
Ldloc(hash));
return(il
.Xor(add, Cast <long>(hasher.Emit(hash))) // todo: 2. need to cast?
.Stloc(hash));
}
public static ILEmitterFunc Emit(this IHasherEmitter hasher, LocalBuilder hash) => (in ILEmitter il) => hasher.Emit(il, hash);