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diff --git a/docs/structs.md b/docs/structs.md new file mode 100644 index 00000000..4ab78fed --- /dev/null +++ b/docs/structs.md @@ -0,0 +1,39 @@ +# Structs + +In Tomo, you can define your own structs, which hold members with arbitrary +types that can be accessed by fields: + +```tomo +struct Foo(name:Text, age:Int) +... +>> my_foo := Foo("Bob", age=10) += Foo(name="Bob", age=10) +>> my_foo.name += "Bob" +``` + +Structs are value types and comparisons on them operate on the member values +one after the other. + +## Namespaces + +Structs can define their own methods that can be called with a `:` or different +values that are stored on the type itself. + +```tomo +struct Foo(name:Text, age:Int): + oldest := Foo("Methuselah", 969) + + func greet(f:Foo): + say("Hi my name is $f.name and I am $f.age years old!") + + func get_older(f:&Foo): + f.age += 1 +... +my_foo := Foo("Alice", 28) +my_foo:greet() +my_foo:get_older() +``` + +Method calls work when the first argument is the struct type or a pointer to +the struct type. |
