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Diffstat (limited to 'src/content/chapter4_standard_library/lesson04_option_module/en.html')
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diff --git a/src/content/chapter4_standard_library/lesson04_option_module/en.html b/src/content/chapter4_standard_library/lesson04_option_module/en.html new file mode 100644 index 0000000..0c66b25 --- /dev/null +++ b/src/content/chapter4_standard_library/lesson04_option_module/en.html @@ -0,0 +1,16 @@ +<p> + Values in Gleam are not nullable, so the + <a href="https://hexdocs.pm/gleam_stdlib/gleam/option.html" + ><code>gleam/option</code></a + > + standard library module defines Gleam's <code>Option</code> type, which can be + used to represent a value that is either present or absent. +</p> + +<p> + The option type is very similar to the result type, but it does not have an + error value. Some languages have functions return an option when there is no + extra error detail to give, but Gleam always uses result. This makes all + fallible functions consistent and removes any boilerplate that would be + required when mixing functions that use each type. +</p> |