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author | Louis Pilfold <louis@lpil.uk> | 2024-01-23 14:41:22 +0000 |
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committer | Louis Pilfold <louis@lpil.uk> | 2024-01-23 14:41:22 +0000 |
commit | 1aa782ae22aa55d44ba4ed01ad447915dc7802cb (patch) | |
tree | edff3551c32e060645e29be4304ca496c35e3128 /src/content/chapter0_basics/lesson13_blocks | |
parent | 2e5b4cb878569e56811f4f58facbe7aa60ab7327 (diff) | |
download | tour-1aa782ae22aa55d44ba4ed01ad447915dc7802cb.tar.gz tour-1aa782ae22aa55d44ba4ed01ad447915dc7802cb.zip |
Add equality lesson
Diffstat (limited to 'src/content/chapter0_basics/lesson13_blocks')
-rw-r--r-- | src/content/chapter0_basics/lesson13_blocks/code.gleam | 13 | ||||
-rw-r--r-- | src/content/chapter0_basics/lesson13_blocks/text.html | 23 |
2 files changed, 0 insertions, 36 deletions
diff --git a/src/content/chapter0_basics/lesson13_blocks/code.gleam b/src/content/chapter0_basics/lesson13_blocks/code.gleam deleted file mode 100644 index 31e4729..0000000 --- a/src/content/chapter0_basics/lesson13_blocks/code.gleam +++ /dev/null @@ -1,13 +0,0 @@ -import gleam/io - -pub fn main() { - let fahrenheit = { - let degrees = 64 - degrees - } - // io.debug(degrees) // <- This will not compile - - // Changing order of evaluation - let celsius = { fahrenheit - 32 } * 5 / 9 - io.debug(celsius) -} diff --git a/src/content/chapter0_basics/lesson13_blocks/text.html b/src/content/chapter0_basics/lesson13_blocks/text.html deleted file mode 100644 index bc82e39..0000000 --- a/src/content/chapter0_basics/lesson13_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> |