Adds an incredibly simple equality operator

1 files changed, 14 insertions, 0 deletions

diff --git a/subex/subexast.go b/subex/subexast.go
index b1ac931..e02091d 100644
--- a/subex/subexast.go
+++ b/subex/subexast.go
@@ -395,6 +395,20 @@ func (ast SubexASTNot) String() string {
 	return fmt.Sprintf("(%v)!", ast.Content)
 }
 
+// Runs the content Subex and collects the output
+// Replaces it with true if all output values are equal and false otherwise
+type SubexASTEqual struct {
+	Content SubexAST
+}
+func (ast SubexASTEqual) compileWith(next SubexState, slotMap *SlotMap, runic bool) SubexState {
+	return &SubexCaptureBeginState {
+		next: ast.Content.compileWith(&SubexArithmeticEndState {
+			next: next,
+			calculate: equalValues,
+		}, slotMap, runic),
+	}
+}
+
 // Does nothing
 type SubexASTEmpty struct {}
 func (ast SubexASTEmpty) compileWith(next SubexState, slotMap *SlotMap, runic bool) SubexState {