Renamed to lyng/2
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# Lying: scripting lang for kotlin multiplatform
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# Ling: scripting lang for kotlin multiplatform
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in the form of multiplatform library.
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@ -2,7 +2,7 @@
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Mutable list of any objects.
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It's class in Lying is `List`:
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It's class in Ling is `List`:
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[1,2,3]::class
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>>> List
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@ -1,4 +1,4 @@
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# OO implementation in Lying
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# OO implementation in Ling
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Basic principles:
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@ -15,7 +15,7 @@ Basic principles:
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## Instances
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Result of executing of any expression or statement in the Lying is the object that
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Result of executing of any expression or statement in the Ling is the object that
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inherits `Obj`, but is not `Obj`. For example it could be Int, void, null, real, string, bool, etc.
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This means whatever expression returns or the variable holds, is the first-class
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@ -3,7 +3,7 @@
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Class that supports double-precision math. Woks much like double in other languages. We honor no floats, so it is '
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Real'.
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It's class in Lying is `Real`:
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It's class in Ling is `Real`:
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(π/2)::class
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>>> Real
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@ -1,6 +1,6 @@
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# Lying tutorial
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# Ling tutorial
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Lying is a very simple language, where we take only most important and popular features from
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Ling is a very simple language, where we take only most important and popular features from
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other scripts and languages. In particular, we adopt _principle of minimal confusion_[^1].
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In other word, the code usually works as expected when you see it. So, nothing unusual.
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@ -8,12 +8,12 @@ __Other documents to read__ maybe after this one:
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- [Advanced topics](advanced_topics.md)
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- [OOP notes](OOP.md)
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- [math in Lying](math.md)
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- [math in Ling](math.md)
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- Some class references: [List](List.md), [Real](Real.md), [Range](Range.md)
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# Expressions
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Everything is an expression in Lying. Even an empty block:
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Everything is an expression in Ling. Even an empty block:
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// empty block
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>>> void
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@ -221,7 +221,7 @@ Notice how function definition return a value, instance of `Callable`.
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You can use both `fn` and `fun`. Note that function declaration _is an expression returning callable_.
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There are default parameters in Lying:
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There are default parameters in Ling:
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fn check(amount, prefix = "answer: ") {
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prefix + if( amount > 100 )
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@ -273,7 +273,7 @@ If you need to create _unnamed_ function, use alternative syntax (TBD, like { ->
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# Lists (aka arrays)
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Lying has built-in mutable array class `List` with simple literals:
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Ling has built-in mutable array class `List` with simple literals:
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[1, "two", 3.33].size
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>>> 3
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@ -546,7 +546,7 @@ We can skip the rest of the loop and restart it, as usual, with `continue` opera
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>>> 0
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Notice that `total` remains 0 as the end of the outerLoop@ is not reachable: `continue` is always called and always make
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Lying to skip it.
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Ling to skip it.
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## else statement
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@ -81,7 +81,7 @@ mavenPublishing {
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coordinates(group.toString(), "library", version.toString())
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pom {
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name = "Lying language"
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name = "Ling language"
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description = "Kotlin-bound scripting loanguage"
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inceptionYear = "2025"
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// url = "https://sergeych.net"
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package net.sergeych.lying
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package net.sergeych.ling
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data class ParsedArgument(val value: Statement, val pos: Pos, val isSplat: Boolean = false)
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package net.sergeych.lying
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package net.sergeych.ling
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//fun buildDoubleFromParts(
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// integerPart: Long,
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package net.sergeych.lying
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package net.sergeych.ling
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/**
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* The LYING compiler.
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* The LING compiler.
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*/
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class Compiler(
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@Suppress("UNUSED_PARAMETER")
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@ -315,6 +315,12 @@ class Compiler(
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}
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}
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// Token.Type.LBRACE -> {
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// if( operand != null ) {
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// throw ScriptError(t.pos, "syntax error: lambda expression not allowed here")
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// }
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// }
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else -> {
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cc.previous()
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package net.sergeych.lying
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package net.sergeych.ling
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internal class CompilerContext(val tokens: List<Token>) : ListIterator<Token> by tokens.listIterator() {
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val labels = mutableSetOf<String>()
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package net.sergeych.lying
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package net.sergeych.ling
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class Context(
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val parent: Context?,
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package net.sergeych.lying
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package net.sergeych.ling
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sealed class ListEntry {
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data class Element(val accessor: Accessor) : ListEntry()
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package net.sergeych.lying
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package net.sergeych.ling
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class LoopBreakContinueException(
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val doContinue: Boolean,
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package net.sergeych.lying
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package net.sergeych.ling
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import kotlinx.coroutines.sync.Mutex
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import kotlinx.coroutines.sync.withLock
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package net.sergeych.lying
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package net.sergeych.ling
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data class ObjBool(val value: Boolean) : Obj() {
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override val asStr by lazy { ObjString(value.toString()) }
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package net.sergeych.lying
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package net.sergeych.ling
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class ObjChar(val value: Char): Obj() {
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package net.sergeych.lying
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package net.sergeych.ling
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val ObjClassType by lazy { ObjClass("Class") }
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package net.sergeych.lying
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package net.sergeych.ling
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data class ObjInt(var value: Long) : Obj(), Numeric {
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override val asStr get() = ObjString(value.toString())
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package net.sergeych.lying
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package net.sergeych.ling
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class ObjList(val list: MutableList<Obj>) : Obj() {
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package net.sergeych.lying
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package net.sergeych.ling
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class ObjRange(val start: Obj?, val end: Obj?, val isEndInclusive: Boolean) : Obj() {
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package net.sergeych.lying
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package net.sergeych.ling
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class ObjRangeIterator(val self: ObjRange) : Obj() {
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package net.sergeych.lying
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package net.sergeych.ling
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import kotlin.math.floor
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import kotlin.math.roundToLong
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package net.sergeych.lying
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package net.sergeych.ling
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import kotlinx.serialization.SerialName
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import kotlinx.serialization.Serializable
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package net.sergeych.lying
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package net.sergeych.ling
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val digitsSet = ('0'..'9').toSet()
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val digits = { d: Char -> d in digitsSet }
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package net.sergeych.lying
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package net.sergeych.ling
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data class Pos(val source: Source, val line: Int, val column: Int) {
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override fun toString(): String {
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package net.sergeych.lying
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package net.sergeych.ling
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import kotlin.math.*
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@file:Suppress("CanBeParameter")
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package net.sergeych.lying
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package net.sergeych.ling
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open class ScriptError(val pos: Pos, val errorMessage: String,cause: Throwable?=null) : Exception(
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"""
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package net.sergeych.lying
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package net.sergeych.ling
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class Source(val fileName: String, text: String) {
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package net.sergeych.lying
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package net.sergeych.ling
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/**
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* Whatever [Obj] stored somewhere
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package net.sergeych.lying
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package net.sergeych.ling
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data class Token(val value: String, val pos: Pos, val type: Type) {
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val isComment: Boolean by lazy { type == Type.SINLGE_LINE_COMMENT || type == Type.MULTILINE_COMMENT }
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package net.sergeych.lying
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package net.sergeych.ling
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fun String.toSource(name: String = "eval"): Source = Source(name, this)
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package io.github.kotlin.fibonacci
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import kotlinx.coroutines.test.runTest
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import net.sergeych.lying.*
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import net.sergeych.ling.*
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import kotlin.test.*
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class ScriptTest {
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)
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}
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@Test
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fun testLambda1() = runTest {
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val l = eval("""
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val x = {
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122
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}
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x
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""".trimIndent())
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println(l)
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}
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// @Test
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// fun testLambda1() = runTest {
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// val l = eval("""
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// x = {
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// 122
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// }
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// x
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// """.trimIndent())
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// println(l)
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// }
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//
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}
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import kotlinx.coroutines.flow.flow
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import kotlinx.coroutines.flow.flowOn
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import kotlinx.coroutines.test.runTest
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import net.sergeych.lying.Context
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import net.sergeych.lying.ObjVoid
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import net.sergeych.ling.Context
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import net.sergeych.ling.ObjVoid
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import java.nio.file.Files.readAllLines
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import java.nio.file.Paths
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import kotlin.test.Test
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