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Using Nasal functions: Difference between revisions
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→What is a function ?
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This passes a single function argument to the hello function. | This passes a single function argument to the hello function. In our previous example, we simply used the return value of the first (inner) function call as the argument of the outer (second) call. | ||
Imagine having a piece of code that multiplies two vectors of numbers with each other. Now, if you wanted to use this code in different places, you would have to repeat (copy/paste) the same code over and over again. This is where we instead assign a symbolic name to the code we want to re-use and wrap it in curly braces, the implementation of the hello function (its function body) may look like this: | Imagine having a piece of code that multiplies two vectors of numbers with each other. Now, if you wanted to use this code in different places, you would have to repeat (copy/paste) the same code over and over again. This is where we instead assign a symbolic name to the code we want to re-use and wrap it in curly braces, the implementation of the hello function (its function body) may look like this: | ||