feat: :sparkles: add examples and code for record destructuring

#56

2 files changed, 37 insertions, 0 deletions

diff --git a/src/content/chapter3_data_types/lesson04_record_destructuring/code.gleam b/src/content/chapter3_data_types/lesson04_record_destructuring/code.gleam
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+++ b/src/content/chapter3_data_types/lesson04_record_destructuring/code.gleam
@@ -0,0 +1,25 @@
+import gleam/io
+
+pub type Fish {
+  Starfish(name: String, favourite_color: String)
+  // Jellyfish(name: String, jiggly: Bool)
+  // Swordfish(name: String)
+}
+
+pub fn main() {
+  let lucy = Starfish("Lucy", "Pink")
+  let cassie = Starfish("Cassie", "Orange")
+  // let james = Jellyfish("James", True)
+  // let sammy = Swordfish("Sammy")
+
+  let Starfish(lucy_name, lucy_colour) = lucy
+  let Starfish(cassie_name, ..) = cassie
+  // let Jellyfish(_, is_jiggly) = james
+  // let Swordfish(sammy_name) = sammy
+
+  let names = [lucy_name, cassie_name]
+
+  io.debug(names)
+  io.debug(lucy_colour)
+  // io.debug(is_jiggly)
+}
diff --git a/src/content/chapter3_data_types/lesson04_record_destructuring/en.html b/src/content/chapter3_data_types/lesson04_record_destructuring/en.html
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+<p>
+  Record destructuring is syntax that allows the extraction of multiple field values 
+  from a record into distinct variables in a concise and efficient way.
+</p>
+<p>
+  To destructure a record without the use more rigorous pattern matching, 
+  all variants of the record must have the same arity and each field must have the same type.
+</p>
+<p>
+  It is possible to use underscore <code>_</code> or the spread syntax <code>..</code> to 
+  discard fields that are not required.
+</p>