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Avoid requiring it lambda parameter in Kotlin bean DSL [SPR-15815] #20370

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spring-issuemaster opened this issue Jul 25, 2017 · 0 comments

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commented Jul 25, 2017

Sébastien Deleuze opened SPR-15815 and commented

Based on a proposal by Joseph Taylor from Pivotal Labs London, it is possible to improve Kotlin bean DSL by avoid requiring it lambda parameter using function literals with receiver.

Spring Framework 5 RC3 syntax:

beans {
	bean<Foo>()
	bean<Bar>("bar")
	bean { FooFoo(it.env["name"]) }
	environment({it.activeProfiles.contains("baz")}) {
		bean { Baz(it.ref()) }
		bean { Baz(it.ref("bar")) }
	}
}

Spring Framework 5 RC4+ syntax:

beans {
	bean<Foo>()
	bean<Bar>("bar")
	bean { FooFoo(env["name"]) }
	environment({activeProfiles.contains("baz")}) {
		bean { Baz(ref()) }
		bean { Baz(ref("bar")) }
	}
}

Affects: 5.0 RC3

Referenced from: commits 29c112c

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