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Empty Constructors

In Fuzion, it is fairly common to declare constructor fields that do not contain any code or inner declarations, such as the feature person in this example:

example is
person(name String, age i32) is
# empty code block
p := person "Methuselah" 969
say "{p.name}, {p.age}yo"
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If a constructor feature contains inner declarations is is required:

example is
person(name String, age i32) is
show => say "$name, {age}yo"
p := person "Methuselah" 969
p.show
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last changed: 2025-04-11