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author | Louis Pilfold <louis@lpil.uk> | 2024-01-18 16:44:27 +0000 |
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committer | Louis Pilfold <louis@lpil.uk> | 2024-01-18 16:44:27 +0000 |
commit | f92661980deac22b54e79cd44c25caba17910c95 (patch) | |
tree | 165923d00aab8e7a5d5944d388dbb182c6d57b51 /src/content/chapter5_advance_features/lesson01_use_sugar/text.html | |
parent | e35f26eb4a034aad8a531986bf876075ffb02e3c (diff) | |
download | tour-f92661980deac22b54e79cd44c25caba17910c95.tar.gz tour-f92661980deac22b54e79cd44c25caba17910c95.zip |
Last of the content!
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diff --git a/src/content/chapter5_advance_features/lesson01_use_sugar/text.html b/src/content/chapter5_advance_features/lesson01_use_sugar/text.html new file mode 100644 index 0000000..e28c843 --- /dev/null +++ b/src/content/chapter5_advance_features/lesson01_use_sugar/text.html @@ -0,0 +1,30 @@ +<p> + The <code>use</code> expression is syntactic sugar for a regular function call + and an anonymous function. +</p> + +<p>This code:</p> +<pre> +use a, b <- my_function +next(a) +next(b) +</pre> + +<p>Expands into this code:</p> +<pre> +my_function(fn(a, b) { + next(a) + next(b) +}) +</pre> + +<p> + To ensure that your <code>use</code> code works and is as understandable as + possible, the right-hand-side ideally should be a function call rather than a + pipeline or other expression, which is typically more difficult to read. +</p> + +<p> + <code>use</code> is an expression like everything else in Gleam, so it can be + placed within blocks. +</p> |