Introduce 'step' property in progressions instead of 'increment'

libraries/tools/kotlin-stdlib-gen/src/templates/Ranges.kt

@@ -24,7 +24,7 @@ fun ranges(): List<GenericFunction> {
             "return TProgression.fromClosedRange(last, first, -ONE)"
         }
         body(ProgressionsOfPrimitives) {
-            "return TProgression.fromClosedRange(last, first, -increment)"
+            "return TProgression.fromClosedRange(last, first, -step)"
         }
     }
 
@@ -41,7 +41,7 @@ fun ranges(): List<GenericFunction> {
             "return TProgression.fromClosedRange(last, first, -ONE)"
         }
         body(ProgressionsOfPrimitives) {
-            "return TProgression.fromClosedRange(last, first, -increment)"
+            "return TProgression.fromClosedRange(last, first, -step)"
         }
     }
 
@@ -63,7 +63,7 @@ fun ranges(): List<GenericFunction> {
         body(ProgressionsOfPrimitives) {
             """
             checkStepIsPositive(step > 0, step)
-            return TProgression.fromClosedRange(first, last, if (increment > 0) step else -step)
+            return TProgression.fromClosedRange(first, last, if (this.step > 0) step else -step)
             """
         }
     }
@@ -95,7 +95,7 @@ fun ranges(): List<GenericFunction> {
         body(ProgressionsOfPrimitives) {
             """
             checkStepIsPositive(step > 0, step)
-            return TProgression.fromClosedRange(first, last, if (increment > 0) step else -step)
+            return TProgression.fromClosedRange(first, last, if (this.step > 0) step else -step)
             """
         }
     }
@@ -113,7 +113,7 @@ fun ranges(): List<GenericFunction> {
 
         doc {
             """
-            Returns a progression from this value down to the specified [to] value with the increment -1.
+            Returns a progression from this value down to the specified [to] value with the step -1.
             The [to] value has to be less than this value.
             """
         }