Add ifFalse and ifTrue functions

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Added
 
+- `Boolean.ifFalse(block: () -> Unit): Boolean`
+- `Boolean.ifTrue(block: () -> Unit): Boolean`
 - `T?.ifNotNull(block: () -> Unit): T?`
 - `T?.ifNull(block: () -> Unit): T?`
 - `Graph` data structure

kotlin-stdlib/api/android/kotlin-stdlib.api

@@ -141,6 +141,11 @@ public final class com/javiersc/kotlin/stdlib/AnsiColorsKt {
 	public static final fun ansiColor (Ljava/lang/String;Lcom/javiersc/kotlin/stdlib/AnsiColor;)Ljava/lang/String;
 }
 
+public final class com/javiersc/kotlin/stdlib/BooleanKt {
+	public static final fun ifFalse (ZLkotlin/jvm/functions/Function0;)Z
+	public static final fun ifTrue (ZLkotlin/jvm/functions/Function0;)Z
+}
+
 public final class com/javiersc/kotlin/stdlib/CollectionsKt {
 	public static final fun capitalize (Ljava/lang/String;)Ljava/lang/String;
 	public static final fun decapitalize (Ljava/lang/String;)Ljava/lang/String;

kotlin-stdlib/api/jvm/kotlin-stdlib.api

@@ -141,6 +141,11 @@ public final class com/javiersc/kotlin/stdlib/AnsiColorsKt {
 	public static final fun ansiColor (Ljava/lang/String;Lcom/javiersc/kotlin/stdlib/AnsiColor;)Ljava/lang/String;
 }
 
+public final class com/javiersc/kotlin/stdlib/BooleanKt {
+	public static final fun ifFalse (ZLkotlin/jvm/functions/Function0;)Z
+	public static final fun ifTrue (ZLkotlin/jvm/functions/Function0;)Z
+}
+
 public final class com/javiersc/kotlin/stdlib/CollectionsKt {
 	public static final fun capitalize (Ljava/lang/String;)Ljava/lang/String;
 	public static final fun decapitalize (Ljava/lang/String;)Ljava/lang/String;

kotlin-stdlib/common/main/kotlin/com/javiersc/kotlin/stdlib/Boolean.kt

@@ -0,0 +1,11 @@
+package com.javiersc.kotlin.stdlib
+
+public inline fun Boolean.ifFalse(block: () -> Unit): Boolean {
+    if (!this) block()
+    return this
+}
+
+public inline fun Boolean.ifTrue(block: () -> Unit): Boolean {
+    if (this) block()
+    return this
+}

kotlin-stdlib/common/test/kotlin/com/javiersc/kotlin/stdlib/BooleanTest.kt

@@ -0,0 +1,35 @@
+package com.javiersc.kotlin.stdlib
+
+import kotlin.test.Test
+import kotlin.test.assertFalse
+import kotlin.test.assertTrue
+
+class BooleanTest {
+
+    private val fail: Boolean = false
+    private val success: Boolean = true
+
+    @Test
+    fun ifFalse() {
+        var isFalse = false
+        var isTrue = false
+
+        fail.ifFalse { isFalse = true }
+        success.ifFalse { isTrue = true }
+
+        assertFalse { isTrue }
+        assertTrue { isFalse }
+    }
+
+    @Test
+    fun ifTrue() {
+        var isFalse = false
+        var isTrue = false
+
+        fail.ifTrue { isFalse = true }
+        success.ifTrue { isTrue = true }
+
+        assertFalse { isFalse }
+        assertTrue { isTrue }
+    }
+}