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Functional Composition
Syntax
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f + g
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Explanation
Performs functional composition on the two operands. Returns a function which passes its arguments to
g and then too f.The following are equivilent:
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(f + g)(a,b) == f(g(a,b))
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Examples
An example to change a zero-indexed function to a one-indexed function utilizing composition is:
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let fibonacci = n f -> n < 2 ? 1 : f(n - 1) + f(n - 2);
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let increment = (+) & 1;
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( fibonacci + increment )( 5 ) == 13
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Last modified 1yr ago
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