Composing generators playground #48
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nicorichard
reviewed
May 13, 2022
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| /*: Including Optionals */ | ||
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| let integerOptional = Int?.arbitrary.next(.random()) |
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Another way to write this could be Int.arbitrary.orNil().next(.random()) if you think that it's better, since it shows off another operator
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| The approach shown above has two problems: the syntax is not very ergonomic - there are 2 .next calls and we need to send the same random source to both if we want to maintain predictability. | ||
| We can solve it using the flatmap operator inside Genything. |
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We can solve it using the flatmap operator inside Genything.
We can solve both aforementioned problems using flatMap.
🤔
| generatorOfRandomGenerators.next(.random()).next(.predetermined()) | ||
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| The approach shown above has two problems: the syntax is not very ergonomic - there are 2 .next calls and we need to send the same random source to both if we want to maintain predictability. |
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I think you can use markdown lists here?
Something like:
The approach shown above has two problems:
1. The syntax is not very ergonomic.
2. Two `next` calls are required to produce a value, and we will need to send the same random source to both calls if we want to maintain predictability.| ] | ||
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| /*: | ||
| Let's choose a random generator by turning it into a generator. |
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You could mention meta-generators or inception here 🤣
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composing-ex.mov
Develop Composing with Operators Playground.
There are a lot of operators already done and some being developed, so I added a base with some important ones.
Created with rendered markup.