```foo 1 1 foo 1 1 addSemigroup foo 1 2 multiplySemigroup `` kotlinlang #arrow

```foo(1, 1); foo(1, 1, addSemigroup); foo(1, 2, m...

jacob

05/05/2019, 2:58 PM

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foo(1, 1); foo(1, 1, addSemigroup); foo(1, 2, multiplySemigroup);

but how could I not apply b and still apply a custom semigroup?