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| - | ====== Introduction to the Haskell language ====== | + | ====== 1. Introduction to the Haskell language ====== |
| - | The main (and, as we shall soon see, the only!) programming instrument in Haskell is the **function**. In mathematics, a function is a *relation** between specified sets ($math[f:A\rightarrow B]) that associates to every element of $math[A], exactly one element of $math[B]. This is precisely the interpretation of a function in Haskell. (Not to be confused with OOP **methods** or **procedures**). | + | The main (and, as we shall soon see, the only!) programming instrument in Haskell is the **function**. In mathematics, a function is a **relation** between specified sets ($math[f:A\rightarrow B]) that associates to every element of $math[A], exactly one element of $math[B]. This is precisely the interpretation of a function in Haskell. (Not to be confused with OOP **methods** or **procedures**). |
| The identity function is defined in Haskell as: | The identity function is defined in Haskell as: | ||
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| inssort [] = | inssort [] = | ||
| inssort l = | inssort l = | ||
| - | <code> | + | </code> |
| ===== Further reading ===== | ===== Further reading ===== | ||