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java inference: proceed with nested inference for lambda parameter type detection (IDEA-219330)

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GitOrigin-RevId: f0a4862b94f9cff4c88b1f56425663bbd8659d7a
This commit is contained in:
Anna Kozlova
2019-08-06 22:21:56 +02:00
committed by intellij-monorepo-bot
parent 3e43560a30
commit 8777687e32
3 changed files with 37 additions and 1 deletions
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25
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/expressions/LambdaParameterTypeDetection.java Normal file
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@@ -0,0 +1,25 @@
import java.util.Collections;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Collectors;
class MyTest {
{
Collector<String, Object, Map<String, String>> collector = Collectors.collectingAndThen(
toMap(
a -> <caret>a,
b -> b
),
m -> m
);
}
private static <T, K, U> Collector<T, ?, Map<K, U>> toMap(
Function<? super T, ? extends K> keyMapper,
Function<? super T, ? extends U> valueMapper
) {
return null;
}
}