Difference between revisions of "Eta conversion"
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| − | An ''eta conversion'' (also written ''η |
+ | An ''eta conversion'' (also written ''η-conversion'') is adding or dropping of abstraction over a function. For example, the following two values are equivalent under η-conversion: <haskell>\x -> abs x |
| + | </haskell>and <haskell>abs</haskell> |
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| + | Extensive use of η-reduction can lead to [[Pointfree]] programming. |
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[[Category:Glossary]] |
[[Category:Glossary]] |
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Revision as of 03:40, 30 January 2007
An eta conversion (also written η-conversion) is adding or dropping of abstraction over a function. For example, the following two values are equivalent under η-conversion:
\x -> abs x
abs
Extensive use of η-reduction can lead to Pointfree programming.