Create from Usage: Infer expected type for lambda body

#KT-18186 Fixed

idea/testData/quickfix/createFromUsage/createFunction/call/inAnonymousFunBlockWithExpectedType.kt

@@ -0,0 +1,9 @@
+// "Create function 'bar'" "true"
+
+class A<T>(val t: T)
+
+fun <T, U> A<T>.convert(f: (T) -> U) = A(f(t))
+
+fun foo(l: A<String>): A<Int> {
+    return l.convert(fun(it: String): Int { return <caret>bar(it) })
+}

idea/testData/quickfix/createFromUsage/createFunction/call/inAnonymousFunBlockWithExpectedType.kt.after

@@ -0,0 +1,13 @@
+// "Create function 'bar'" "true"
+
+class A<T>(val t: T)
+
+fun <T, U> A<T>.convert(f: (T) -> U) = A(f(t))
+
+fun foo(l: A<String>): A<Int> {
+    return l.convert(fun(it: String): Int { return bar(it) })
+}
+
+fun bar(it: String): Int {
+    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+}

idea/testData/quickfix/createFromUsage/createFunction/call/inAnonymousFunExprWithExpectedType.kt

@@ -0,0 +1,9 @@
+// "Create function 'bar'" "true"
+
+class A<T>(val t: T)
+
+fun <T, U> A<T>.convert(f: (T) -> U) = A(f(t))
+
+fun foo(l: A<String>): A<Int> {
+    return l.convert(fun(it: String) = <caret>bar(it))
+}

idea/testData/quickfix/createFromUsage/createFunction/call/inAnonymousFunExprWithExpectedType.kt.after

@@ -0,0 +1,13 @@
+// "Create function 'bar'" "true"
+
+class A<T>(val t: T)
+
+fun <T, U> A<T>.convert(f: (T) -> U) = A(f(t))
+
+fun foo(l: A<String>): A<Int> {
+    return l.convert(fun(it: String) = bar(it))
+}
+
+fun bar(it: String): Int {
+    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+}

idea/testData/quickfix/createFromUsage/createFunction/call/inLambdaWithExpectedType.kt

@@ -0,0 +1,9 @@
+// "Create function 'bar'" "true"
+
+class A<T>(val t: T)
+
+fun <T, U> A<T>.convert(f: (T) -> U) = A(f(t))
+
+fun foo(l: A<String>): A<Int> {
+    return l.convert { <caret>bar(it) }
+}

idea/testData/quickfix/createFromUsage/createFunction/call/inLambdaWithExpectedType.kt.after

@@ -0,0 +1,13 @@
+// "Create function 'bar'" "true"
+
+class A<T>(val t: T)
+
+fun <T, U> A<T>.convert(f: (T) -> U) = A(f(t))
+
+fun foo(l: A<String>): A<Int> {
+    return l.convert { bar(it) }
+}
+
+fun bar(it: String): Int {
+    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+}