reinstate defined type reference heap types as values

Author: CharlieTap

ast/src/commonMain/kotlin/io/github/charlietap/chasm/ast/type/HeapType.kt

@@ -43,5 +43,6 @@ sealed interface ConcreteHeapType : HeapType {
     @JvmInline
     value class RecursiveTypeIndex(val index: Int) : ConcreteHeapType
 
-    data class Defined(val definedType: DefinedType) : ConcreteHeapType
+    @JvmInline
+    value class Defined(val definedType: DefinedType) : ConcreteHeapType
 }

type-system/src/commonMain/kotlin/io/github/charlietap/chasm/type/rolling/substitution/ConcreteHeapTypeSubstitutor.kt

@@ -5,7 +5,7 @@ import io.github.charlietap.chasm.ast.type.DefinedType
 
 typealias ConcreteHeapTypeSubstitutor = (ConcreteHeapType) -> ConcreteHeapType
 
-inline fun TypeIndexToRecursiveTypeIndexSubsitutor(
+fun TypeIndexToRecursiveTypeIndexSubsitutor(
     lowerBound: Int,
     upperBound: Int,
 ): ConcreteHeapTypeSubstitutor = { concreteHeapType ->
@@ -22,7 +22,7 @@ inline fun TypeIndexToRecursiveTypeIndexSubsitutor(
     }
 }
 
-inline fun TypeIndexToDefinedTypeSubstitutor(
+fun TypeIndexToDefinedTypeSubstitutor(
     types: List<DefinedType>,
 ): ConcreteHeapTypeSubstitutor = { concreteHeapType ->
     when (concreteHeapType) {