From 2970520a9592b5c6d45291f54073552a474b71b4 Mon Sep 17 00:00:00 2001 From: Cody Date: Thu, 30 Mar 2023 02:44:54 -0500 Subject: Restructure --- documentation/tour/traits.sloth | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 documentation/tour/traits.sloth (limited to 'documentation/tour/traits.sloth') diff --git a/documentation/tour/traits.sloth b/documentation/tour/traits.sloth new file mode 100644 index 0000000..80319de --- /dev/null +++ b/documentation/tour/traits.sloth @@ -0,0 +1,34 @@ +# Much like Rust's traits or Haskell's type classes sloth uses a trait system for +# polymorphism. +trait BasicTrait { + fn add() -> i32; +} + +trait AddAssign: Add { + fn add_assign(value: i32, rhs: i32) -> i32; +} + +trait Add { + fn add(lhs: i32, rhs: i32) -> i32; + + default impl AddAssign { + fn add_assign(value: i32, rhs: i32) -> i32 { + return add(value, rhs); + } + } +} + +# In order to make implementing traits easier you can automatically derive traits. +# Types will implicitly derive from Debug, Copy, Eq and Ord if possible. +type Person = { + name: String, + age: i32, + hobbies: Set, +}; + +# You can easily derive from more traits using the `derive` keyword. +type Person derives Serialize, Deserialize = { + name: String, + age: i32, + hobbies: Set, +}; -- cgit v1.2.3