Adds the reciprocal operator

1 files changed, 15 insertions, 0 deletions

diff --git a/subex/subexast.go b/subex/subexast.go
index 3c807ee..78c9aff 100644
--- a/subex/subexast.go
+++ b/subex/subexast.go
@@ -223,3 +223,18 @@ func (ast SubexASTNegate) compileWith(next SubexState) SubexState {
 		}),
 	}
 }
+
+// Runs the content Subex and collects the output
+// If it is a list of atoms castable to numbers, it takes the reciprocal of them all and outputs them
+// Else it rejects
+type SubexASTReciprocal struct {
+	content SubexAST
+}
+func (ast SubexASTReciprocal) compileWith(next SubexState) SubexState {
+	return &SubexCaptureBeginState {
+		next: ast.content.compileWith(&SubexArithmeticEndState {
+			next: next,
+			calculate: reciprocalValues,
+		}),
+	}
+}