From ac17246317ceffc8dd62d9e3549afab6a748a3de Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Tue, 30 Jan 2018 21:10:02 -0800
Subject: [PATCH] Fix bug causing incorrect parsing of inputs with negative
 signs.

---
 .../org/nwapw/abacus/plugin/standard/operator/OperatorNegate.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorNegate.kt b/core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorNegate.kt
index cc50e31..8f2ea07 100644
--- a/core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorNegate.kt
+++ b/core/src/main/kotlin/org/nwapw/abacus/plugin/standard/operator/OperatorNegate.kt
@@ -11,7 +11,7 @@ import org.nwapw.abacus.number.NumberInterface
  *
  * This is a standard operator that negates a number.
  */
-class OperatorNegate: NumberOperator(OperatorAssociativity.LEFT, OperatorType.UNARY_PREFIX, 0) {
+class OperatorNegate: NumberOperator(OperatorAssociativity.LEFT, OperatorType.UNARY_PREFIX, 1) {
 
     override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
             params.size == 1