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hello_demo_world package
documentation
hello_world.dart
Greeting
sayHello method
sayHello method
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sayHello
method
String
sayHello
(
[
String
world
=
'world'
])
Implementation
String sayHello([String world = 'world']) { return 'Hello, $world!'; }
hello_demo_world package
documentation
hello_world
Greeting
sayHello method
Greeting class