Revert "fast search in strings"

This reverts commit fd8beb3.

Author: sergeych

build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "net.sergeych"
-version = "1.4.4-SNAPSHOT"
+version = "1.4.3"
 
 val serialization_version = "1.3.3"
 

src/commonMain/kotlin/net/sergeych/mp_tools/search.kt

@@ -75,21 +75,4 @@ fun Number.withThousandsSeparator(separator: String=" "): String {
         }
     }
     return result.toString()
-}
-
-private val idFirstChars = "_qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM"
-private val idChars = "1234567890$" + idFirstChars
-
-/**
- * Generate a random string of a given length that contains only url-friendly characters
- * and starts with a letter of `_` character.
- *
- * If length < 1 returns empty string.
- */
-fun randomId(length: Int): String {
-    if( length < 1 ) return ""
-    val result = mutableListOf(idFirstChars.random())
-    var l = length
-    while(--l > 0) result += idChars.random()
-    return result.joinToString("")
 }

src/commonMain/kotlin/net/sergeych/mp_tools/text_tools.kt

@@ -77,17 +77,6 @@ class TestTools {
         assertEquals(offset, haystack.indexOf(needle))
     }
 
-    @Test
-    fun searchInString() {
-        val offset = 1171
-        val needle = "Fake vaccine kills"
-        assertEquals(17, randomId(17).length)
-        val haystack = randomId(offset) + needle + randomId(offset/3)
-        assertEquals(offset, haystack.fastSearch(needle))
-        assertEquals(offset, haystack.fastSearch(needle, offset/2))
-        assertEquals(-1, haystack.fastSearch(needle, offset+1))
-    }
-
     @OptIn(ExperimentalCoroutinesApi::class)
     @Test
     fun reentrantMutex() = runTest {