Introduce "Function with = { ... }" inspection

#KT-17119 Fixed

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/.inspection

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.inspections.FunctionWithLambdaExpressionBodyInspection

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/addArrow/function.kt

@@ -0,0 +1,2 @@
+// FIX: Specify explicit lambda signature
+fun test(a: Int, b: Int) = <caret>{ a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/addArrow/function.kt.after

@@ -0,0 +1,2 @@
+// FIX: Specify explicit lambda signature
+fun test(a: Int, b: Int) = { -> a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/addArrow/getter.kt

@@ -0,0 +1,2 @@
+// FIX: Specify explicit lambda signature
+val test get() = <caret>{ "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/addArrow/getter.kt.after

@@ -0,0 +1,2 @@
+// FIX: Specify explicit lambda signature
+val test get() = { -> "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/functionHasArrow.kt

@@ -0,0 +1,2 @@
+// PROBLEM: none
+fun test(a: Int, b: Int) = <caret>{ -> a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/functionHasLabel.kt

@@ -0,0 +1,4 @@
+// PROBLEM: none
+fun test(a: Int, b: Int) = label@<caret>{
+    return@label
+}

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/functionHasNoExpressionBody.kt

@@ -0,0 +1,2 @@
+// PROBLEM: none
+fun test(a: Int, b: Int) <caret>{ { a + b } }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/functionHasNoLambda.kt

@@ -0,0 +1,2 @@
+// PROBLEM: none
+fun test(a: Int, b: Int) = <caret>a + b

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/functionHasType.kt

@@ -0,0 +1,2 @@
+// PROBLEM: none
+fun test(a: Int, b: Int): () -> Int = <caret>{ a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/getterHasArrow.kt

@@ -0,0 +1,2 @@
+// PROBLEM: none
+val test get() = <caret>{ -> "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/getterHasLabel.kt

@@ -0,0 +1,5 @@
+// PROBLEM: none
+val test
+    get() = label@<caret>{
+        return@label
+    }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/getterHasNoLambda.kt

@@ -0,0 +1,2 @@
+// PROBLEM: none
+val test get() = <caret>""

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/getterHasType.kt

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+// PROBLEM: none
+val test: () -> String get() = <caret>{ "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/getterHasType2.kt

@@ -0,0 +1,2 @@
+// PROBLEM: none
+val test get(): () -> String = <caret>{ "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/function.kt

@@ -0,0 +1,2 @@
+// FIX: Remove braces
+fun test(a: Int, b: Int) = <caret>{ a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/function.kt.after

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+// FIX: Remove braces
+fun test(a: Int, b: Int) = a + b

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/functionReturnsNothing.kt

@@ -0,0 +1,3 @@
+// FIX: Remove braces
+// WITH_RUNTIME
+fun test() = <caret>{ error("") }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/functionReturnsNothing.kt.after

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+// FIX: Remove braces
+// WITH_RUNTIME
+fun test(): Nothing = error("")

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/getter.kt

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+// FIX: Remove braces
+val test get() = <caret>{ "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/getter.kt.after

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+// FIX: Remove braces
+val test get() = ""

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/getterReturnsNothing.kt

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+// FIX: Remove braces
+// WITH_RUNTIME
+val test get() = <caret>{ error("") }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/removeBraces/getterReturnsNothing.kt.after

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+// FIX: Remove braces
+// WITH_RUNTIME
+val test: Nothing get() = error("")

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/specifyType/function.kt

@@ -0,0 +1,2 @@
+// FIX: Specify return type explicitly
+fun test(a: Int, b: Int) = <caret>{ a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/specifyType/function.kt.after

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+// FIX: Specify return type explicitly
+fun test(a: Int, b: Int): () -> Int = { a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/specifyType/getter.kt

@@ -0,0 +1,2 @@
+// FIX: Specify type explicitly
+val test get() = <caret>{ "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/specifyType/getter.kt.after

@@ -0,0 +1,2 @@
+// FIX: Specify type explicitly
+val test: () -> String get() = { "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/function.kt

@@ -0,0 +1,3 @@
+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+fun test(a: Int, b: Int) = <caret>{ a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/function.kt.after

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+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+fun test(a: Int, b: Int) = run { a + b }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/functionReturnsNothing.kt

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+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+fun test() = <caret>{ error("") }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/functionReturnsNothing.kt.after

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+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+fun test(): Nothing = run { error("") }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/getter.kt

@@ -0,0 +1,3 @@
+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+val test get() = <caret>{ "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/getter.kt.after

@@ -0,0 +1,3 @@
+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+val test get() = run { "" }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/getterReturnsNothing.kt

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+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+val test get() = <caret>{ error("") }

idea/testData/inspectionsLocal/functionWithLambdaExpressionBody/wrapRun/getterReturnsNothing.kt.after

@@ -0,0 +1,3 @@
+// FIX: Convert to run { ... }
+// WITH_RUNTIME
+val test: Nothing get() = run { error("") }