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docs(adding_twice): correct grammar

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davhojt 2022-06-15 00:26:20 +03:00 committed by Dav Hojt
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15
subjects/adding_twice/README.md
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@ -2,15 +2,12 @@
### Instructions
In this exercise you will have to reuse your `add_curry` function (copy and paste it directly in your lib.rs file).
Then you have to create the function `twice` using closures, this function will
take a function f(x) as parameter and return a function f(f(x)).
You'll need to reuse your `add_curry` function. Copy and paste it directly into your `lib.rs` file.
Now create a function named `twice` using closures. This function will take a function `f(x)` as parameter, and return a function `f(f(x))`.
So, the purpose of this function is to add two times the value in `add_curry` to the original value.
### Notions
- [higher order function](https://doc.rust-lang.org/rust-by-example/fn/hof.html#higher-order-functions)
### Expected functions
The type of the arguments are missing. Use the example `main` function to determine the correct type.
@ -57,3 +54,7 @@ The value is 67
The value is -57
$
```
### Notions
- [higher order function](https://doc.rust-lang.org/rust-by-example/fn/hof.html#higher-order-functions)