From e70187baccccdefa959fba8e7b81a6781d5f45c5 Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Wed, 8 May 2019 14:55:08 +0100
Subject: [PATCH] Highlight that destroy/execute/get_capabilities is mandatory

---
 include/evmc/evmc.h | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/include/evmc/evmc.h b/include/evmc/evmc.h
index 82b66ec89..408233807 100644
--- a/include/evmc/evmc.h
+++ b/include/evmc/evmc.h
@@ -946,10 +946,18 @@ struct evmc_instance
      */
     const char* version;
 
-    /** Pointer to function destroying the EVM instance. */
+    /**
+     * Pointer to function destroying the EVM instance.
+     *
+     * This is a mandatory function and cannot be set to NULL.
+     */
     evmc_destroy_fn destroy;
 
-    /** Pointer to function executing a code by the EVM instance. */
+    /**
+     * Pointer to function executing a code by the EVM instance.
+     *
+     * This is a mandatory function and cannot be set to NULL.
+     */
     evmc_execute_fn execute;
 
     /**
@@ -959,6 +967,8 @@ struct evmc_instance
      *
      * A Client SHOULD only rely on the value returned here if it has queried it after
      * it has called set_option.
+     *
+     * This is a mandatory function and cannot be set to NULL.
      */
     evmc_get_capabilities_fn get_capabilities;