Replace some usages of check to takeUnless

#KT-7858

compiler/daemon/daemon-client/src/org/jetbrains/kotlin/daemon/client/KotlinCompilerClient.kt

@@ -57,9 +57,9 @@ object KotlinCompilerClient {
     ): CompileService? {
         val flagFile = System.getProperty(COMPILE_DAEMON_CLIENT_ALIVE_PATH_PROPERTY)
                      ?.let(String::trimQuotes)
-                     ?.check { !it.isBlank() }
+                     ?.takeUnless(String::isBlank)
                      ?.let(::File)
-                     ?.check(File::exists)
+                     ?.takeIf(File::exists)
                      ?: makeAutodeletingFlagFile(baseDir = File(daemonOptions.runFilesPathOrDefault))
         return connectToCompileService(compilerId, flagFile, daemonJVMOptions, daemonOptions, reportingTargets, autostart)
     }

compiler/frontend/src/org/jetbrains/kotlin/resolve/QualifiedExpressionResolver.kt

@@ -412,12 +412,12 @@ class QualifiedExpressionResolver {
         val qualifierDescriptor = when (receiver) {
             is PackageQualifier -> {
                 val childPackageFQN = receiver.descriptor.fqName.child(name)
-                receiver.descriptor.module.getPackage(childPackageFQN).check { !it.isEmpty() } ?:
+                receiver.descriptor.module.getPackage(childPackageFQN).takeUnless { it.isEmpty() } ?:
                 receiver.descriptor.memberScope.getContributedClassifier(name, location)
             }
             is ClassQualifier -> receiver.staticScope.getContributedClassifier(name, location)
             null -> context.scope.findClassifier(name, location) ?:
-                    context.scope.ownerDescriptor.module.getPackage(FqName.ROOT.child(name)).check { !it.isEmpty() }
+                    context.scope.ownerDescriptor.module.getPackage(FqName.ROOT.child(name)).takeUnless { it.isEmpty() }
             is ReceiverValue -> receiver.type.memberScope.memberScopeAsImportingScope().findClassifier(name, location)
             else -> null
         }

compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/DefaultImportProvider.kt

@@ -56,7 +56,7 @@ class DefaultImportProvider(
                 defaultImports
                         .filter { it.isAllUnder }
                         .mapNotNull {
-                            it.fqnPart().check { !it.isSubpackageOf(KotlinBuiltIns.BUILT_INS_PACKAGE_FQ_NAME) }
+                            it.fqnPart().takeUnless { it.isSubpackageOf(KotlinBuiltIns.BUILT_INS_PACKAGE_FQ_NAME) }
                         }
         val nonKotlinAliasedTypeFqNames =
                 builtinTypeAliases

core/descriptors/src/org/jetbrains/kotlin/builtins/functionTypes.kt

@@ -167,7 +167,7 @@ fun getFunctionTypeArgumentProjections(
     arguments.addIfNotNull(receiverType?.asTypeProjection())
 
     parameterTypes.mapIndexedTo(arguments) { index, type ->
-        val name = parameterNames?.get(index)?.check { !it.isSpecial }
+        val name = parameterNames?.get(index)?.takeUnless { it.isSpecial }
         val typeToUse = if (name != null) {
             val annotationClass = builtIns.getBuiltInClassByName(KotlinBuiltIns.FQ_NAMES.parameterName.shortName())
             val nameValue = ConstantValueFactory(builtIns).createStringValue(name.asString())

idea/ide-common/src/org/jetbrains/kotlin/idea/util/FuzzyType.kt

@@ -182,7 +182,7 @@ class FuzzyType(
                         valueTransform = {
                             val typeProjection = TypeProjectionImpl(Variance.INVARIANT, it.defaultType)
                             val substitutedProjection = substitutorToKeepCapturedTypes.substitute(typeProjection)
-                            substitutedProjection?.check { !ErrorUtils.containsUninferredParameter(it.type) } ?: typeProjection
+                            substitutedProjection?.takeUnless { ErrorUtils.containsUninferredParameter(it.type) } ?: typeProjection
                         })
         return TypeConstructorSubstitution.createByConstructorsMap(substitutionMap, approximateCapturedTypes = true).buildSubstitutor()
     }

idea/idea-completion/testData/weighers/smart/SmartPriority.kt

@@ -23,4 +23,6 @@ class C {
 // ORDER: nullableX
 // ORDER: takeIf
 // ORDER: takeIf
+// ORDER: takeUnless
+// ORDER: takeUnless
 // ORDER: C

idea/idea-core/src/org/jetbrains/kotlin/idea/core/ExpectedInfos.kt

@@ -582,7 +582,7 @@ class ExpectedInfos(
 
         val loopVar = forExpression.loopParameter
         val loopVarType = if (loopVar != null && loopVar.typeReference != null)
-            (bindingContext[BindingContext.DECLARATION_TO_DESCRIPTOR, loopVar] as VariableDescriptor).type.check { !it.isError }
+            (bindingContext[BindingContext.DECLARATION_TO_DESCRIPTOR, loopVar] as VariableDescriptor).type.takeUnless { it.isError }
         else
             null
 

idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/KotlinCodeFragmentFactory.kt

@@ -398,7 +398,7 @@ class KotlinCodeFragmentFactory: CodeFragmentFactory() {
 
         val sb = StringBuilder()
 
-        javaFile?.packageName?.check { !it.isBlank() }?.let {
+        javaFile?.packageName?.takeUnless { it.isBlank() }?.let {
             sb.append("package ").append(it.quoteIfNeeded()).append("\n")
         }
 

idea/src/org/jetbrains/kotlin/idea/quickfix/ChangeCallableReturnTypeFix.kt

@@ -76,7 +76,7 @@ abstract class ChangeCallableReturnTypeFix(
         val name = element.name
         if (name != null) {
             val container = element.resolveToDescriptor().containingDeclaration as? ClassDescriptor
-            val containerName = container?.name?.check { !it.isSpecial }?.asString()
+            val containerName = container?.name?.takeUnless { it.isSpecial }?.asString()
             val fullName = if (containerName != null) "'$containerName.$name'" else "'$name'"
             if (element is KtParameter) {
                 return "property $fullName"

idea/src/org/jetbrains/kotlin/idea/quickfix/ChangeVariableTypeFix.kt

@@ -51,7 +51,7 @@ open class ChangeVariableTypeFix(element: KtVariableDeclaration, type: KotlinTyp
         val name = element.name
         if (name != null) {
             val container = element.resolveToDescriptor().containingDeclaration as? ClassDescriptor
-            val containerName = container?.name?.check { !it.isSpecial }?.asString()
+            val containerName = container?.name?.takeUnless { it.isSpecial }?.asString()
             return if (containerName != null) "'$containerName.$name'" else "'$name'"
         }
         else {

libraries/stdlib/src/kotlin/util/Standard.kt

@@ -68,6 +68,13 @@ public inline fun <T, R> T.let(block: (T) -> R): R = block(this)
 @SinceKotlin("1.1")
 public inline fun <T> T.takeIf(predicate: (T) -> Boolean): T? = if (predicate(this)) this else null
 
+/**
+ * Returns `this` value if it _does not_ satisfy the given [predicate] or `null`, if it does.
+ */
+@kotlin.internal.InlineOnly
+@SinceKotlin("1.1")
+public inline fun <T> T.takeUnless(predicate: (T) -> Boolean): T? = if (!predicate(this)) this else null
+
 /**
  * Executes the given function [action] specified number of [times].
  *