static <T> SqlSupplier<T> wrap(Supplier<T> inner) { 
        return requireNonNull(inner)::get; 
    }
A variation of the standard {@code java.util.function.Supplier} that throws
a {@code SQLException} if an error occurred while the supplier was getted.

@param <T>  supplied type

@author  Per Minborg
runtime-parent/runtime-core/src/main/java/com/speedment/runtime/core/db/SqlSupplier.java