Difference between revisions of "Performance/Strings"
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The packed string libraries have the benefit over arrays of Word8 or |
The packed string libraries have the benefit over arrays of Word8 or |
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+ | Char types, in that they provide the usual list-like operations. |
Revision as of 11:05, 20 February 2006
| Haskell Performance Resource
Constructs: Techniques: |
Strings
Sometimes the cost of representing strings as lists of Char can be too much. In this case, you can instead use packed strings. There are a number of options:
- The standard Data.PackedString type
- One of the newer packed string libraries, for example FastPackedString
- Unboxed arrays of Word8 or Char
- Ptrs to foreign malloced Word8 buffers
The packed string libraries have the benefit over arrays of Word8 or Char types, in that they provide the usual list-like operations.