以下两个词之间的语义差异是什么:class Transmitter: public virtual Storable{};class Radio: public Transmitter, public Receiver{};class Storable{};class Receiver: public
A file is not listed in the Manifest: '/usr/portage/perl-core/Storable/Storable-2.20.ebuild'
!!!A file is not listed in the Manifest: '/usr/portage/virtual/perl-Storable/perl-Storable-2.20.ebuild
我一直期望Vector会是Foreign.Storable的一个实例,或者至少会有一个函数:: Vector a -> Ptr (Vector a),但实际上只有unsafeToForeignPtr0:: Storable a => Vector a -> (ForeignPtr a, Int)。我的Haskell代码生成了一个Foreign.Storable列表,我想从C代码访问这个列表。Vector.Storable这样做的数据类型是否正确?如果是,我应该如何从C端访问它的元素?
我想创建一个CArray of CArray:{-# LANGUAGE FlexibleContexts #-}
import Data.Array.Base
testArr = listArray (0,5) [0..5]
-- divvyArray :: Int -> CArray Int Double -> CArray Int (CArray In
Magic number checking on storable file failed at ../../lib/Storable.pm (autosplit into ../../lib/auto/Storable/_retrieve.al) line 380, at /<elided>/sw/acl2/books/build/certlib.pl line 1850