now tag in MessageFormatter is a nullable

0.4.1

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## 0.4.2
+
+* Add `setDefaultKSLog` and `addDefaultKSLog`
+* Add `plus` operation for two `KSLog` instances to call them both on each log performing
+* Add `KSLog` factory for simple creation of `CallbackKSLog`
+* Add `MessageFormatter` factory
+
+## 0.4.1
+
+* Fixes in resolution ambiguity for functions with messages
+
 ## 0.4.0
 
 **THIS UPDATE CONTAINS BREAKING CHANGES**

github_release.gradle

@@ -21,7 +21,7 @@ if (new File(projectDir, "secret.gradle").exists()) {
         owner "InsanusMokrassar"
         repo "KSLog"
 
-        tagName "${project.version}"
+        tagName "v${project.version}"
         releaseName "${project.version}"
         targetCommitish "${project.version}"
 

gradle.properties

@@ -9,5 +9,5 @@ android.enableJetifier=true
 # Project data
 
 group=dev.inmo
-version=0.4.0
-android_code_version=10
+version=0.4.2
+android_code_version=12

src/commonMain/kotlin/CallbackKSLog.kt

@@ -7,3 +7,7 @@ class CallbackKSLog(
 ) : KSLog {
     override fun performLog(level: LogLevel, tag: String?, message: Any, throwable: Throwable?) = performLogCallback(level, tag, message, throwable)
 }
+
+fun KSLog(
+    performLogCallback: SimpleKSLogCallback
+) = CallbackKSLog(performLogCallback)

src/commonMain/kotlin/Extensions.kt

@@ -3,113 +3,183 @@
 package dev.inmo.kslog.common
 
 inline fun KSLog.log(level: LogLevel, tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = performLog(level, tag, e, messageBuilder)
+inline fun KSLog.log(level: LogLevel, tag: String, noinline messageBuilder: () -> Any) = performLog(level, tag, null, messageBuilder)
 suspend inline fun KSLog.logS(level: LogLevel, tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = performLogS(level, tag, e, messageBuilder)
+suspend inline fun KSLog.logS(level: LogLevel, tag: String, noinline messageBuilder: suspend () -> Any) = performLogS(level, tag, null, messageBuilder)
 inline fun KSLog.log(level: LogLevel, e: Throwable? = null, noinline messageBuilder: () -> Any) = performLog(level, null, e, messageBuilder)
 suspend inline fun KSLog.logS(level: LogLevel, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = performLogS(level, null, e, messageBuilder)
-inline fun KSLog.log(level: LogLevel, message: Any, e: Throwable? = null) = performLog(level, message, e)
-inline fun KSLog.log(level: LogLevel, tag: String, message: Any, e: Throwable? = null) = performLog(level, tag, message, e)
+inline fun KSLog.log(level: LogLevel, message: Any, e: Throwable?) = performLog(level, message, e)
+inline fun KSLog.log(level: LogLevel, message: String, e: Throwable) = log(level, message as Any, e)
+inline fun KSLog.log(level: LogLevel, message: Any) = performLog(level, message, null)
+inline fun KSLog.log(level: LogLevel, tag: String, message: Any, e: Throwable?) = performLog(level, tag, message, e)
+inline fun KSLog.log(level: LogLevel, tag: String, message: Any) = performLog(level, tag, message, null)
 
 
 inline fun KSLog.debug(e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.DEBUG, null, e, messageBuilder)
 inline fun KSLog.debug(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.DEBUG, tag, e, messageBuilder)
+inline fun KSLog.debug(tag: String, noinline messageBuilder: () -> Any) = debug(tag, null, messageBuilder)
 suspend inline fun KSLog.debugS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.DEBUG, null, e, messageBuilder)
 suspend inline fun KSLog.debugS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.DEBUG, tag, e, messageBuilder)
-inline fun KSLog.debug(message: Any, e: Throwable? = null) = log(LogLevel.DEBUG, message, e)
-inline fun KSLog.debug(tag: String, message: Any, e: Throwable? = null) = log(LogLevel.DEBUG, tag, message, e)
+suspend inline fun KSLog.debugS(tag: String, noinline messageBuilder: suspend () -> Any) = debugS(tag, null, messageBuilder)
+inline fun KSLog.debug(message: Any, e: Throwable?) = log(LogLevel.DEBUG, message, e)
+inline fun KSLog.debug(message: String, e: Throwable) = debug(message as Any, e)
+inline fun KSLog.debug(message: Any) = debug(message, null)
+inline fun KSLog.debug(tag: String, message: Any, e: Throwable?) = log(LogLevel.DEBUG, tag, message, e)
+inline fun KSLog.debug(tag: String, message: Any) = debug(tag, message, null)
 
 
 inline fun KSLog.verbose(e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.VERBOSE, null, e, messageBuilder)
 inline fun KSLog.verbose(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.VERBOSE, tag, e, messageBuilder)
+inline fun KSLog.verbose(tag: String, noinline messageBuilder: () -> Any) = verbose(tag, null, messageBuilder)
 suspend inline fun KSLog.verboseS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.VERBOSE, null, e, messageBuilder)
 suspend inline fun KSLog.verboseS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.VERBOSE, tag, e, messageBuilder)
-inline fun KSLog.verbose(message: Any, e: Throwable? = null) = log(LogLevel.VERBOSE, message, e)
-inline fun KSLog.verbose(tag: String, message: Any, e: Throwable? = null) = log(LogLevel.VERBOSE, tag, message, e)
+suspend inline fun KSLog.verboseS(tag: String, noinline messageBuilder: suspend () -> Any) = verboseS(tag, null, messageBuilder)
+inline fun KSLog.verbose(message: Any, e: Throwable?) = log(LogLevel.VERBOSE, message, e)
+inline fun KSLog.verbose(message: String, e: Throwable) = verbose(message as Any, e)
+inline fun KSLog.verbose(message: Any) = verbose(message, null)
+inline fun KSLog.verbose(tag: String, message: Any, e: Throwable?) = log(LogLevel.VERBOSE, tag, message, e)
+inline fun KSLog.verbose(tag: String, message: Any) = verbose(tag, message, null)
 
 
 inline fun KSLog.info(e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.INFO, null, e, messageBuilder)
 inline fun KSLog.info(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.INFO, tag, e, messageBuilder)
+inline fun KSLog.info(tag: String, noinline messageBuilder: () -> Any) = info(tag, null, messageBuilder)
 suspend inline fun KSLog.infoS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.INFO, null, e, messageBuilder)
 suspend inline fun KSLog.infoS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.INFO, tag, e, messageBuilder)
-inline fun KSLog.info(message: Any, e: Throwable? = null) = log(LogLevel.INFO, message, e)
-inline fun KSLog.info(tag: String, message: Any, e: Throwable? = null) = log(LogLevel.INFO, tag, message, e)
+suspend inline fun KSLog.infoS(tag: String, noinline messageBuilder: suspend () -> Any) = infoS(tag, null, messageBuilder)
+inline fun KSLog.info(message: Any, e: Throwable?) = log(LogLevel.INFO, message, e)
+inline fun KSLog.info(message: String, e: Throwable) = info(message as Any, e)
+inline fun KSLog.info(message: Any) = info(message, null)
+inline fun KSLog.info(tag: String, message: Any, e: Throwable?) = log(LogLevel.INFO, tag, message, e)
+inline fun KSLog.info(tag: String, message: Any) = info(tag, message, null)
 
 
 inline fun KSLog.warning(e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.WARNING, null, e, messageBuilder)
 inline fun KSLog.warning(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.WARNING, tag, e, messageBuilder)
+inline fun KSLog.warning(tag: String, noinline messageBuilder: () -> Any) = warning(tag, null, messageBuilder)
 suspend inline fun KSLog.warningS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.WARNING, null, e, messageBuilder)
 suspend inline fun KSLog.warningS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.WARNING, tag, e, messageBuilder)
-inline fun KSLog.warning(message: Any, e: Throwable? = null) = log(LogLevel.WARNING, message, e)
-inline fun KSLog.warning(tag: String, message: Any, e: Throwable? = null) = log(LogLevel.WARNING, tag, message, e)
+suspend inline fun KSLog.warningS(tag: String, noinline messageBuilder: suspend () -> Any) = warningS(tag, null, messageBuilder)
+inline fun KSLog.warning(message: Any, e: Throwable?) = log(LogLevel.WARNING, message, e)
+inline fun KSLog.warning(message: String, e: Throwable) = warning(message as Any, e)
+inline fun KSLog.warning(message: Any) = warning(message, null)
+inline fun KSLog.warning(tag: String, message: Any, e: Throwable?) = log(LogLevel.WARNING, tag, message, e)
+inline fun KSLog.warning(tag: String, message: Any) = warning(tag, message, null)
 
 
 inline fun KSLog.error(e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.ERROR, null, e, messageBuilder)
 inline fun KSLog.error(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.ERROR, tag, e, messageBuilder)
+inline fun KSLog.error(tag: String, noinline messageBuilder: () -> Any) = error(tag, null, messageBuilder)
 suspend inline fun KSLog.errorS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.ERROR, null, e, messageBuilder)
 suspend inline fun KSLog.errorS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.ERROR, tag, e, messageBuilder)
-inline fun KSLog.error(message: Any, e: Throwable? = null) = log(LogLevel.ERROR, message, e)
-inline fun KSLog.error(tag: String, message: Any, e: Throwable? = null) = log(LogLevel.ERROR, tag, message, e)
+suspend inline fun KSLog.errorS(tag: String, noinline messageBuilder: suspend () -> Any) = errorS(tag, null, messageBuilder)
+inline fun KSLog.error(message: Any, e: Throwable?) = log(LogLevel.ERROR, message, e)
+inline fun KSLog.error(message: String, e: Throwable) = error(message as Any, e)
+inline fun KSLog.error(message: Any) = error(message, null)
+inline fun KSLog.error(tag: String, message: Any, e: Throwable?) = log(LogLevel.ERROR, tag, message, e)
+inline fun KSLog.error(tag: String, message: Any) = error(tag, message, null)
 
 
 inline fun KSLog.assert(e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.ASSERT, null, e, messageBuilder)
 inline fun KSLog.assert(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(LogLevel.ASSERT, tag, e, messageBuilder)
+inline fun KSLog.assert(tag: String, noinline messageBuilder: () -> Any) = assert(tag, null, messageBuilder)
 suspend inline fun KSLog.assertS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.ASSERT, null, e, messageBuilder)
 suspend inline fun KSLog.assertS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(LogLevel.ASSERT, tag, e, messageBuilder)
-inline fun KSLog.assert(message: Any, e: Throwable? = null) = log(LogLevel.ASSERT, message, e)
-inline fun KSLog.assert(tag: String, message: Any, e: Throwable? = null) = log(LogLevel.ASSERT, tag, message, e)
+suspend inline fun KSLog.assertS(tag: String, noinline messageBuilder: suspend () -> Any) = assertS(tag, null, messageBuilder)
+inline fun KSLog.assert(message: Any, e: Throwable?) = log(LogLevel.ASSERT, message, e)
+inline fun KSLog.assert(message: String, e: Throwable) = assert(message as Any, e)
+inline fun KSLog.assert(message: Any) = assert(message, null)
+inline fun KSLog.assert(tag: String, message: Any, e: Throwable?) = log(LogLevel.ASSERT, tag, message, e)
+inline fun KSLog.assert(tag: String, message: Any) = assert(tag, message, null)
 
 // ----- Short names
 
 
 inline fun KSLog.l(level: LogLevel, tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(level, tag, e, messageBuilder)
+inline fun KSLog.l(level: LogLevel, tag: String, noinline messageBuilder: () -> Any) = l(level, tag, null, messageBuilder)
 inline fun KSLog.l(level: LogLevel, e: Throwable? = null, noinline messageBuilder: () -> Any) = log(level, e, messageBuilder)
 suspend inline fun KSLog.lS(level: LogLevel, tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(level, tag, e, messageBuilder)
+suspend inline fun KSLog.lS(level: LogLevel, tag: String, noinline messageBuilder: suspend () -> Any) = lS(level, tag, null, messageBuilder)
 suspend inline fun KSLog.lS(level: LogLevel, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = logS(level, e, messageBuilder)
-inline fun KSLog.l(level: LogLevel, message: Any, e: Throwable? = null) = log(level, message, e)
-inline fun KSLog.l(level: LogLevel, tag: String, message: Any, e: Throwable? = null) = log(level, tag, message, e)
+inline fun KSLog.l(level: LogLevel, message: Any, e: Throwable?) = log(level, message, e)
+inline fun KSLog.l(level: LogLevel, message: String, e: Throwable) = l(level, message as Any, e)
+inline fun KSLog.l(level: LogLevel, message: Any) = log(level, message, null)
+inline fun KSLog.l(level: LogLevel, tag: String, message: Any, e: Throwable?) = log(level, tag, message, e)
+inline fun KSLog.l(level: LogLevel, tag: String, message: Any) = log(level, tag, message, null)
 
 
 inline fun KSLog.d(e: Throwable? = null, noinline messageBuilder: () -> Any) = debug(e, messageBuilder)
 inline fun KSLog.d(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = debug(tag, e, messageBuilder)
+inline fun KSLog.d(tag: String, noinline messageBuilder: () -> Any) = d(tag, null, messageBuilder)
 suspend inline fun KSLog.dS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = debugS(e, messageBuilder)
 suspend inline fun KSLog.dS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = debugS(tag, e, messageBuilder)
-inline fun KSLog.d(message: Any, e: Throwable? = null) = debug(message, e)
-inline fun KSLog.d(tag: String, message: Any, e: Throwable? = null) = debug(tag, message, e)
+suspend inline fun KSLog.dS(tag: String, noinline messageBuilder: suspend () -> Any) = dS(tag, null, messageBuilder)
+inline fun KSLog.d(message: Any, e: Throwable?) = debug(message, e)
+inline fun KSLog.d(message: String, e: Throwable) = d(message as Any, e)
+inline fun KSLog.d(message: Any) = d(message, null)
+inline fun KSLog.d(tag: String, message: Any, e: Throwable?) = debug(tag, message, e)
+inline fun KSLog.d(tag: String, message: Any) = d(tag, message, null)
 
 inline fun KSLog.v(e: Throwable? = null, noinline messageBuilder: () -> Any) = verbose(e, messageBuilder)
 inline fun KSLog.v(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = verbose(tag, e, messageBuilder)
+inline fun KSLog.v(tag: String, noinline messageBuilder: () -> Any) = v(tag, null, messageBuilder)
 suspend inline fun KSLog.vS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = verboseS(e, messageBuilder)
 suspend inline fun KSLog.vS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = verboseS(tag, e, messageBuilder)
-inline fun KSLog.v(message: Any, e: Throwable? = null) = verbose(message, e)
-inline fun KSLog.v(tag: String, message: Any, e: Throwable? = null) = verbose(tag, message, e)
+suspend inline fun KSLog.vS(tag: String, noinline messageBuilder: suspend () -> Any) = vS(tag, null, messageBuilder)
+inline fun KSLog.v(message: Any, e: Throwable?) = verbose(message, e)
+inline fun KSLog.v(message: String, e: Throwable) = v(message as Any, e)
+inline fun KSLog.v(message: Any) = v(message, null)
+inline fun KSLog.v(tag: String, message: Any, e: Throwable?) = verbose(tag, message, e)
+inline fun KSLog.v(tag: String, message: Any) = v(tag, message, null)
 
 
 inline fun KSLog.i(e: Throwable? = null, noinline messageBuilder: () -> Any) = info(e, messageBuilder)
 inline fun KSLog.i(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = info(tag, e, messageBuilder)
+inline fun KSLog.i(tag: String, noinline messageBuilder: () -> Any) = i(tag, null, messageBuilder)
 suspend inline fun KSLog.iS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = infoS(e, messageBuilder)
 suspend inline fun KSLog.iS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = infoS(tag, e, messageBuilder)
-inline fun KSLog.i(message: Any, e: Throwable? = null) = info(message, e)
-inline fun KSLog.i(tag: String, message: Any, e: Throwable? = null) = info(tag, message, e)
+suspend inline fun KSLog.iS(tag: String, noinline messageBuilder: suspend () -> Any) = iS(tag, null, messageBuilder)
+inline fun KSLog.i(message: Any, e: Throwable?) = info(message, e)
+inline fun KSLog.i(message: String, e: Throwable) = i(message as Any, e)
+inline fun KSLog.i(message: Any) = i(message, null)
+inline fun KSLog.i(tag: String, message: Any, e: Throwable?) = info(tag, message, e)
+inline fun KSLog.i(tag: String, message: Any) = i(tag, message, null)
 
 
 inline fun KSLog.w(e: Throwable? = null, noinline messageBuilder: () -> Any) = warning(e, messageBuilder)
 inline fun KSLog.w(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = warning(tag, e, messageBuilder)
+inline fun KSLog.w(tag: String, noinline messageBuilder: () -> Any) = w(tag, null, messageBuilder)
 suspend inline fun KSLog.wS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = warningS(e, messageBuilder)
 suspend inline fun KSLog.wS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = warningS(tag, e, messageBuilder)
-inline fun KSLog.w(message: Any, e: Throwable? = null) = warning(message, e)
-inline fun KSLog.w(tag: String, message: Any, e: Throwable? = null) = warning(tag, message, e)
+suspend inline fun KSLog.wS(tag: String, noinline messageBuilder: suspend () -> Any) = wS(tag, null, messageBuilder)
+inline fun KSLog.w(message: Any, e: Throwable?) = warning(message, e)
+inline fun KSLog.w(message: String, e: Throwable) = w(message as Any, e)
+inline fun KSLog.w(message: Any) = w(message, null)
+inline fun KSLog.w(tag: String, message: Any, e: Throwable?) = warning(tag, message, e)
+inline fun KSLog.w(tag: String, message: Any) = w(tag, message, null)
 
 
 inline fun KSLog.e(e: Throwable? = null, noinline messageBuilder: () -> Any) = error(e, messageBuilder)
 inline fun KSLog.e(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = error(tag, e, messageBuilder)
+inline fun KSLog.e(tag: String, noinline messageBuilder: () -> Any) = e(tag, null, messageBuilder)
 suspend inline fun KSLog.eS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = errorS(e, messageBuilder)
 suspend inline fun KSLog.eS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = errorS(tag, e, messageBuilder)
-inline fun KSLog.e(message: Any, e: Throwable? = null) = error(message, e)
-inline fun KSLog.e(tag: String, message: Any, e: Throwable? = null) = error(tag, message, e)
+suspend inline fun KSLog.eS(tag: String, noinline messageBuilder: suspend () -> Any) = eS(tag, null, messageBuilder)
+inline fun KSLog.e(message: Any, e: Throwable?) = error(message, e)
+inline fun KSLog.e(message: String, e: Throwable) = e(message as Any, e)
+inline fun KSLog.e(message: Any) = e(message, null)
+inline fun KSLog.e(tag: String, message: Any, e: Throwable?) = error(tag, message, e)
+inline fun KSLog.e(tag: String, message: Any) = e(tag, message, null)
 
 
 inline fun KSLog.wtf(e: Throwable? = null, noinline messageBuilder: () -> Any) = assert(e, messageBuilder)
 inline fun KSLog.wtf(tag: String?, e: Throwable? = null, noinline messageBuilder: () -> Any) = assert(tag, e, messageBuilder)
+inline fun KSLog.wtf(tag: String, noinline messageBuilder: () -> Any) = wtf(tag, null, messageBuilder)
 suspend inline fun KSLog.wtfS(e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = assertS(e, messageBuilder)
 suspend inline fun KSLog.wtfS(tag: String?, e: Throwable? = null, noinline messageBuilder: suspend () -> Any) = assertS(tag, e, messageBuilder)
-inline fun KSLog.wtf(message: Any, e: Throwable? = null) = assert(message, e)
-inline fun KSLog.wtf(tag: String, message: Any, e: Throwable? = null) = assert(tag, message, e)
+suspend inline fun KSLog.wtfS(tag: String, noinline messageBuilder: suspend () -> Any) = wtfS(tag, null, messageBuilder)
+inline fun KSLog.wtf(message: Any, e: Throwable?) = assert(message, e)
+inline fun KSLog.wtf(message: String, e: Throwable) = wtf(message as Any, e)
+inline fun KSLog.wtf(message: Any) = wtf(message, null)
+inline fun KSLog.wtf(tag: String, message: Any, e: Throwable?) = assert(tag, message, e)
+inline fun KSLog.wtf(tag: String, message: Any) = wtf(tag, message, null)

src/commonMain/kotlin/KSLog.kt

@@ -1,6 +1,7 @@
 package dev.inmo.kslog.common
 
 import dev.inmo.kslog.common.filter.filtered
+import dev.inmo.kslog.common.utils.plus
 
 
 enum class LogLevel {
@@ -110,3 +111,6 @@ fun KSLog(
 ).filtered { l, _, _ ->
     minLoggingLevel.ordinal <= l.ordinal
 }
+
+fun setDefaultKSLog(newDefault: KSLog) { KSLog.default = newDefault }
+fun addDefaultKSLog(newDefault: KSLog) { KSLog.default = KSLog.default + newDefault }

src/commonMain/kotlin/KSLogTypealiases.kt

@@ -1,6 +1,8 @@
 package dev.inmo.kslog.common
 
-typealias MessageFormatter = (l: LogLevel, t: String, m: Any, Throwable?) -> String
+typealias MessageFormatter = (l: LogLevel, t: String?, m: Any, Throwable?) -> String
+@Suppress("NOTHING_TO_INLINE")
+inline fun MessageFormatter(noinline formatter: MessageFormatter) = formatter
 typealias MessageFilter = (l: LogLevel, t: String?, Throwable?) -> Boolean
-val defaultMessageFormatter: MessageFormatter = { l, t, m, _ -> "[$l] $t - $m" }
+val defaultMessageFormatter: MessageFormatter = { l, t, m, _ -> "[$l] ${t ?.let { "$it " } ?: ""}- $m" }
 

src/commonMain/kotlin/utils/Combination.kt

@@ -0,0 +1,15 @@
+package dev.inmo.kslog.common.utils
+
+import dev.inmo.kslog.common.CallbackKSLog
+import dev.inmo.kslog.common.KSLog
+
+infix operator fun KSLog.plus(other: KSLog) = CallbackKSLog { l, t, m, e ->
+    val resultOfFirst = runCatching {
+        this@plus.performLog(l, t, m, e)
+    }
+    val resultOfSecond = runCatching {
+        other.performLog(l, t, m, e)
+    }
+    resultOfFirst.onFailure { throw it }
+    resultOfSecond.onFailure { throw it }
+}