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| author | Louis Pilfold <louis@lpil.uk> | 2023-12-21 14:03:41 +0000 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2023-12-21 14:03:41 +0000 |
| commit | 4efb34bd728732101432843ed0bfbeb971272287 (patch) | |
| tree | 71b3b767c417809d92280cec64424c31c9a475be /lessons/src/lesson012_blocks/text.html | |
| parent | 2a6ae1fa5408247c95bf4a7d59e5038342a2a125 (diff) | |
| download | tour-4efb34bd728732101432843ed0bfbeb971272287.tar.gz tour-4efb34bd728732101432843ed0bfbeb971272287.zip | |
Add chapters
Diffstat (limited to 'lessons/src/lesson012_blocks/text.html')
| -rw-r--r-- | lessons/src/lesson012_blocks/text.html | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/lessons/src/lesson012_blocks/text.html b/lessons/src/lesson012_blocks/text.html deleted file mode 100644 index bc82e39..0000000 --- a/lessons/src/lesson012_blocks/text.html +++ /dev/null @@ -1,23 +0,0 @@ -<p> - Blocks are one or more expressions grouped together with curly braces. Each - expression is evaluated in order and the value of the last expression is - returned. -</p> -<p> - Any variables assigned within the block can only be used within the block. -</p> -<p> - Try uncommenting <code>io.debug(degrees)</code> to see the compile error from - trying to use a variable that is not in scope. -</p> -<p> - Blocks can also be used to change the order of evaluation of binary operators - expressions. -</p> -<p> - <code>*</code> binds more tightly than <code>+</code> so the expression - <code>1 + 2 * 3</code> evaluates to 7. If the <code>1 + 2</code> should be - evaluated first to make the expression evaluate to 9 then the expression can be - wrapped in a block: <code>{ 1 + 2 } * 3</code>. This is similar to grouping - with parentheses in some other languages. -</p> |