From ca2e328a5fa7c538c5dad843558c66822bc4d5af Mon Sep 17 00:00:00 2001
From: Nathaniel Quillin <1446767+nqbit@users.noreply.github.com>
Date: Tue, 16 May 2023 03:38:02 +0000
Subject: [PATCH]  rename c++20 keyword s/requires/requires_range.

 See https://en.cppreference.com/w/cpp/language/requires for more details.
---
 common/kernel/constraints.impl.h            | 2 +-
 common/kernel/exclusive_state_groups.h      | 2 +-
 common/kernel/exclusive_state_groups.impl.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/common/kernel/constraints.impl.h b/common/kernel/constraints.impl.h
index 9c978411e1..145aff5be4 100644
--- a/common/kernel/constraints.impl.h
+++ b/common/kernel/constraints.impl.h
@@ -92,7 +92,7 @@ bool Constraints<StateCount, StateType, CountType>::isValidBelForCellType(const
             }
             break;
         case CONSTRAINT_TAG_REQUIRES:
-            if (!tags[constraint.tag()].requires(constraint.states())) {
+            if (!tags[constraint.tag()].requires_range(constraint.states())) {
                 return false;
             }
             break;
diff --git a/common/kernel/exclusive_state_groups.h b/common/kernel/exclusive_state_groups.h
index 7d447ffe1d..b99876bad1 100644
--- a/common/kernel/exclusive_state_groups.h
+++ b/common/kernel/exclusive_state_groups.h
@@ -127,7 +127,7 @@ template <size_t StateCount, typename StateType = int8_t, typename CountType = u
 
     template <typename StateRange>
     bool
-        requires(const StateRange &state_range)
+        requires_range(const StateRange &state_range)
     const
     {
         if (state < 0) {
diff --git a/common/kernel/exclusive_state_groups.impl.h b/common/kernel/exclusive_state_groups.impl.h
index f3ddb5fd38..6934a02871 100644
--- a/common/kernel/exclusive_state_groups.impl.h
+++ b/common/kernel/exclusive_state_groups.impl.h
@@ -70,7 +70,7 @@ void ExclusiveStateGroup<StateCount, StateType, CountType>::explain_requires(con
                                                                              const Definition &definition, BelId bel,
                                                                              const StateRange state_range) const
 {
-    if (requires(state_range)) {
+    if (requires_range(state_range)) {
         log_info("Placing cell %s at bel %s does not violate %s.%s\n", cell.c_str(ctx), ctx->nameOfBel(bel),
                  object.c_str(ctx), definition.prefix.c_str(ctx));
     } else {