Improve introduction of modules and imports

Thanks @RyanBrewer317!

2 files changed, 14 insertions, 0 deletions

diff --git a/src/content/chapter0_basics/lesson12_discard_patterns/code.gleam b/src/content/chapter0_basics/lesson12_discard_patterns/code.gleam
new file mode 100644
index 0000000..fa2c0e3
--- /dev/null
+++ b/src/content/chapter0_basics/lesson12_discard_patterns/code.gleam
@@ -0,0 +1,4 @@
+pub fn main() {
+  // This variable is never used
+  let _score = 1000
+}
diff --git a/src/content/chapter0_basics/lesson12_discard_patterns/en.html b/src/content/chapter0_basics/lesson12_discard_patterns/en.html
new file mode 100644
index 0000000..91cfb42
--- /dev/null
+++ b/src/content/chapter0_basics/lesson12_discard_patterns/en.html
@@ -0,0 +1,10 @@
+<p>
+  If a variable is assigned but not used then Gleam will emit a warning.
+</p>
+<p>
+  If a variable is intended to not be used, then the name can be prefixed with an
+  underscore, silencing the warning.
+</p>
+<p>
+  Try changing the variable name to <code>score</code> to see the warning.
+</p>