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# 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.
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