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Talk:Function composition: Difference between revisions
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:Hi, the limit is you have to create a function of f and g that returns another function. It is that other function, when applied to x would be the same as doing f(g(x)). If you look at the Python example, function compose returns function sin_cos. it is then sin_cos(x) that is equivalent to sin(cos(x)). In short, you need to create function compose. Thanks. --[[User:Paddy3118|Paddy3118]] 02:54, 4 March 2009 (UTC)
::I.e. this is possible only for languages that have [[First-class functions]] (by the way, it seems like this task is already covered by showing that the language has first class functions in [[First-class functions]] task page) --[[User:ShinTakezou|ShinTakezou]] 11:27, 4 March 2009 (UTC)
:::Thats right, it is another aspect of first class functions but there is no need to show functions as members of other collection types. Some languages may be able to do this and not First Class Functions. --[[User:Paddy3118|Paddy3118]] 15:48, 4 March 2009 (UTC)
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