From bdeb6b81da383b196d756c91888be8ffadeb98f1 Mon Sep 17 00:00:00 2001
From: Gena <gbedritsky@gmail.com>
Date: Mon, 18 Aug 2025 18:35:36 +0300
Subject: [PATCH 1/2] =?UTF-8?q?=D0=94=D0=BE=D0=BC=D0=B0=D1=88=D0=BD=D0=B5?=
 =?UTF-8?q?=D0=B5=20=D0=B7=D0=B0=D0=B4=D0=B0=D0=BD=D0=B8=D0=B5=20=D0=BF?=
 =?UTF-8?q?=D0=BE=20=D0=B7=D0=B0=D0=BD=D1=8F=D1=82=D0=B8=D1=8E=20=20Kotlin?=
 =?UTF-8?q?=20#3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/ru/otus/homework/functions.kt | 47 +++++++++++++++++++
 .../kotlin/ru/otus/homework/FunctionsTest.kt  | 12 +++++
 2 files changed, 59 insertions(+)

diff --git a/src/main/kotlin/ru/otus/homework/functions.kt b/src/main/kotlin/ru/otus/homework/functions.kt
index 4a7fe1e..54674df 100644
--- a/src/main/kotlin/ru/otus/homework/functions.kt
+++ b/src/main/kotlin/ru/otus/homework/functions.kt
@@ -1,6 +1,9 @@
 package ru.otus.homework
 
+import java.lang.System.*
 import java.time.LocalDate
+import kotlin.time.Duration
+import kotlin.time.toDuration
 
 fun main() {
     println(calculate(10, 20))
@@ -27,6 +30,12 @@ fun main() {
 
     val product = 2 by 2
     println("Произведение: $product")
+
+    val sum = variableAdd(1, 2, 3, 4)
+    println("1 + 2 + 3 + 4 = $sum")
+
+    val ms = measure(::longLoop)
+    println("longLoop takes $ms milliseconds")
 }
 
 infix fun Int.by(other: Int): Int = this * other
@@ -78,3 +87,41 @@ fun calculate(n1: Int, n2: Int, op: (Int, Int) -> Int): String {
 
 fun add(a: Int, b: Int): Int = a + b
 fun subtract(a: Int, b: Int): Int = a - b
+
+fun variableAdd(a: Int, b: Int, vararg values: Int): Int {
+    var result = a + b
+
+    for(i in values) {
+        result += i
+    }
+
+    return result
+}
+
+fun sumStrings(vararg strings: String, separator: Char = ' '): String {
+    var result: String = ""
+
+    for(i in strings) {
+        if(result.isEmpty())
+            result += i
+        else
+            result += ("$separator" + i)
+    }
+
+    return result
+}
+
+fun longLoop() {
+    for(i in 1..100) {
+        println("i = $i")
+        Thread.sleep(10)
+    }
+}
+
+fun measure( oper: () -> Unit ): Long {
+    val start = currentTimeMillis()
+
+    oper()
+
+    return (currentTimeMillis() - start)
+}
\ No newline at end of file
diff --git a/src/test/kotlin/ru/otus/homework/FunctionsTest.kt b/src/test/kotlin/ru/otus/homework/FunctionsTest.kt
index 93a36cf..edb5a6d 100644
--- a/src/test/kotlin/ru/otus/homework/FunctionsTest.kt
+++ b/src/test/kotlin/ru/otus/homework/FunctionsTest.kt
@@ -11,4 +11,16 @@ class FunctionsTest {
             calculate(1, 2)
         )
     }
+    fun sumStringsTest() {
+        Assertions.assertEquals(
+            "str1 str2 str3",
+            sumStrings("str1", "str2", "str3")
+        )
+    }
+    fun sumStringsTest2() {
+        Assertions.assertEquals(
+            "str1,str2,str3",
+            sumStrings("str1", "str2", "str3", separator = ',')
+        )
+    }
 }
\ No newline at end of file

From 7b139a848263e8304ad0b05802502225107c1be5 Mon Sep 17 00:00:00 2001
From: Gena <gbedritsky@gmail.com>
Date: Mon, 18 Aug 2025 18:36:48 +0300
Subject: [PATCH 2/2] =?UTF-8?q?=D0=94=D0=BE=D0=BC=D0=B0=D1=88=D0=BD=D0=B5?=
 =?UTF-8?q?=D0=B5=20=D0=B7=D0=B0=D0=B4=D0=B0=D0=BD=D0=B8=D0=B5=20=D0=BF?=
 =?UTF-8?q?=D0=BE=20=D0=B7=D0=B0=D0=BD=D1=8F=D1=82=D0=B8=D1=8E=20=20Kotlin?=
 =?UTF-8?q?=20#3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/ru/otus/homework/functions.kt | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/main/kotlin/ru/otus/homework/functions.kt b/src/main/kotlin/ru/otus/homework/functions.kt
index 54674df..388b3b2 100644
--- a/src/main/kotlin/ru/otus/homework/functions.kt
+++ b/src/main/kotlin/ru/otus/homework/functions.kt
@@ -2,8 +2,6 @@ package ru.otus.homework
 
 import java.lang.System.*
 import java.time.LocalDate
-import kotlin.time.Duration
-import kotlin.time.toDuration
 
 fun main() {
     println(calculate(10, 20))