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| author | Louis Pilfold <louis@lpil.uk> | 2024-01-02 22:45:15 +0000 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2024-01-02 22:45:15 +0000 |
| commit | f3eaea54080300a85e7acb63a38b0bf5f7c6b531 (patch) | |
| tree | 520be6062a320e332fb45712ef867ff2194a8a14 /src/content/chapter2_flow_control/lesson09_guards/text.html | |
| parent | 02027bcb50098065e57518846f524e8cb8df7323 (diff) | |
| download | tour-f3eaea54080300a85e7acb63a38b0bf5f7c6b531.tar.gz tour-f3eaea54080300a85e7acb63a38b0bf5f7c6b531.zip | |
Guards
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| -rw-r--r-- | src/content/chapter2_flow_control/lesson09_guards/text.html | 9 |
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diff --git a/src/content/chapter2_flow_control/lesson09_guards/text.html b/src/content/chapter2_flow_control/lesson09_guards/text.html new file mode 100644 index 0000000..3ea9cc5 --- /dev/null +++ b/src/content/chapter2_flow_control/lesson09_guards/text.html @@ -0,0 +1,9 @@ +<p> + The <code>if</code> keyword can be used with case expressions to add a + <em>guard</em> to a pattern. A guard is an expression that must evaluate to + <code>True</code> for the pattern to match. +</p> +<p> + Only a limited set of operators can be used in guards, and functions cannot be + called at all. +</p> |