From 5fddbbf194085205977c8ca652c97ffb6ec7f522 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Sun, 24 May 2026 18:13:39 +0300
Subject: fix(rpn): widen RPN.consts to ConstantsProvider, remove unsafe type
 assertion (task yj)

---
 internal/rpn/rpn_state.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'internal')

diff --git a/internal/rpn/rpn_state.go b/internal/rpn/rpn_state.go
index abb9ab8..fc64535 100644
--- a/internal/rpn/rpn_state.go
+++ b/internal/rpn/rpn_state.go
@@ -13,7 +13,7 @@ import (
 type RPN struct {
 	mu             sync.RWMutex
 	vars           VariableStore
-	consts         ConstantsReader
+	consts         ConstantsProvider
 	ops            OperationsProvider
 	opRegistry     *OperatorRegistry
 	assignHandler  *assignmentHandler
@@ -42,7 +42,7 @@ func NewRPN(vars VariableStore, reg ...*MetricRegistry) *RPN {
 // GetConstants returns the constants provider.
 // This method is thread-safe for concurrent reads.
 func (r *RPN) GetConstants() ConstantsProvider {
-	return r.consts.(ConstantsProvider)
+	return r.consts
 }
 
 // GetMode returns the current calculation mode.
-- 
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