Review how to interpret type signatures. Learn how to apply the concept of type signatures in defining the general workflow of a program.
- [Instructor] You now know enough F Sharp to take on…a real challenge, and so we're going to introduce…the challenge which will form the exercise for…the whole of the rest of this course,…and it's a really nice exercise.…What we're going to do is try and write a Twitter bot…which takes an incoming Tweet, and that incoming Tweet…will be the ticker of a particular stock price…like MSFT for Microsoft, and a start date,…and an end date, and that bot is going to reply to that Tweet…with a summary of the fate of that stock price…over the time involved.…
So we're going to give a high, and when the high occurred,…we're going to give a low, and when the low occurred,…and we're going to give an overall loss or gain…over the time period.…So that's a pretty cool thing to do,…and I guarantee you, by the end of that course,…we'll have something working beautifully…that does exactly that.…But as with all these things,…that's quite a daunting challenge,…so how do we break that up?…Well the way I like to break things up…when I'm dealing with F Sharp…
- Defining values and calling functions in F#
- Defining and identifying discriminated unions
- Working with if-else expressions
- Writing unit test
- Using type providers to access data
- Analyzing data with collection functions
- Plotting data using the R type provider
- Using railway-oriented programming to handle errors
- Integrating with Twitter
- Deploying an F# application to Azure
Skill Level Intermediate
1. Get Started with F#
2. Build a Simple Parser with Unit Testing
3. Use F# CSV Type Provider to Get Data
4. Analyze Data with F# Collection Functions
5. Use RStats Provider and ggplot2 to Plot Data
6. Use BoxKite with Twitter
7. Deploy a Working Bot
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