20 lines
858 B
Plaintext
20 lines
858 B
Plaintext
convertible provides a typeclass with a single function that is
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designed to help convert between different types: numeric values,
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dates and times, and the like. The conversions perform bounds checking
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and return a pure Either value. This means that you need not remember
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which specific function performs the conversion you desire.
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Also included in the package are optional instances that provide
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conversion for various numeric and time types, as well as utilities
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for writing your own instances.
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Finally, there is a function that will raise an exception on
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bounds-checking violation, or return a bare value otherwise,
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implemented in terms of the safer function described above.
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Convertible is also used by HDBC 2.0 for handling marshalling of data
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to and from databases.
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Convertible is backed by an extensive test suite and passes tests on
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GHC and Hugs.
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