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| author | Louis Pilfold <louis@lpil.uk> | 2024-02-15 12:18:17 +0000 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2024-02-19 18:18:04 +0000 |
| commit | f70130322cd306268c5da12c1517dc5725615ae8 (patch) | |
| tree | 2f047d58f0bd0c9438d57b42499d40d13fea73ad /src/content/chapter2_flow_control/lesson01_case_expressions/en.html | |
| parent | 63120914512bd4a3003788a7592ef3cc4ff32cf5 (diff) | |
| download | tour-f70130322cd306268c5da12c1517dc5725615ae8.tar.gz tour-f70130322cd306268c5da12c1517dc5725615ae8.zip | |
text -> en
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| -rw-r--r-- | src/content/chapter2_flow_control/lesson01_case_expressions/en.html | 18 |
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diff --git a/src/content/chapter2_flow_control/lesson01_case_expressions/en.html b/src/content/chapter2_flow_control/lesson01_case_expressions/en.html new file mode 100644 index 0000000..07ff421 --- /dev/null +++ b/src/content/chapter2_flow_control/lesson01_case_expressions/en.html @@ -0,0 +1,18 @@ +<p> + The case expression is the most common kind of flow control in Gleam code. It + is similar to <code>switch</code> in some other languages, but more powerful + than most. +</p> +<p> + It allows the programmer to say "if the data has this shape then run this + code", a process called <em>pattern matching</em>. +</p> +<p> + Gleam performs <em>exhaustiveness checking</em> to ensure that the patterns in + a case expression cover all possible values. With this you can have confidence + that your logic is up-to-date for the design of the data you are working with. +</p> +<p> + Try commenting out patterns or adding new redundant ones, and see what + problems the compiler reports. +</p> |