From 9b2f0cb968847f7c692d6d3734bdfe89fd139451 Mon Sep 17 00:00:00 2001
From: Brandon Dyck <brandon@dyck.us>
Date: Thu, 29 Jun 2023 12:54:40 -0600
Subject: [PATCH] Removed pipeline and compose operators

---
 Program.cs  | 16 +++-------------
 grammar.txt |  1 -
 2 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/Program.cs b/Program.cs
index 2e01266..b49856e 100644
--- a/Program.cs
+++ b/Program.cs
@@ -104,10 +104,6 @@ public enum TokenType
 	LessEqual, GreaterEqual,
 	SingleArrow,
 	DoubleArrow,
-	PipeRight,
-	PipeLeft,
-	ComposeRight,
-	ComposeLeft,
 	If, Then, Else,
 	When,
 	Is,
@@ -289,6 +285,7 @@ class Scanner
 			case '.': addToken(TokenType.Period); break;
 			case '*': addToken(TokenType.Asterisk); break;
 			case '/': addToken(TokenType.Slash); break;
+			case '|': addToken(TokenType.Pipe); break;
 			case '-':
 				addToken(match('>') ? TokenType.SingleArrow : TokenType.Minus);
 				break;
@@ -304,17 +301,10 @@ class Scanner
 					TokenType.Equal);
 				break;
 			case '<':
-				addToken(match('=') ? TokenType.LessEqual :
-					match('<') ? TokenType.ComposeLeft :
-					match('|') ? TokenType.PipeLeft :
-					TokenType.Less);
+				addToken(match('=') ? TokenType.LessEqual : TokenType.Less);
 				break;
 			case '>':
-				addToken(match('=') ? TokenType.GreaterEqual :
-					match('>') ? TokenType.ComposeRight : TokenType.Greater);
-				break;
-			case '|':
-				addToken(match('>') ? TokenType.PipeRight : TokenType.Pipe);
+				addToken(match('=') ? TokenType.GreaterEqual : TokenType.Greater);
 				break;
 			case '"': stringLiteral(); break;
 			case '#':
diff --git a/grammar.txt b/grammar.txt
index 7d3afb7..17e22b9 100644
--- a/grammar.txt
+++ b/grammar.txt
@@ -17,7 +17,6 @@ binary -> expression operator expression ;
 operator ->
 	| "==" | "!=" | "<" | "<=" | ">" | ">="
 	| "+" | "-" | "*" | "/"
-	| "|>" | "<|" | ">>" | "<<"
 	| "++" ;
 pattern -> "_" | record_pattern | variant_pattern ;
 record_pattern -> "{" ( identifier ( "=" pattern )? ( "," identifier ( "=" pattern )? )* ) ( "|" identifier ) "}"