Added subscript lexer

orchid-std/src/std/std_system.rs

@@ -20,6 +20,7 @@ use super::string::str_atom::{IntStrAtom, StrAtom};
 use super::string::str_lib::gen_str_lib;
 use crate::std::number::num_lexer::NumLexer;
 use crate::std::ops::gen_ops_lib;
+use crate::std::ops::subscript_lexer::SubscriptLexer;
 use crate::std::option::{OptAtom, gen_option_lib};
 use crate::std::protocol::proto_parser::{AsProtoParser, ProtoParser};
 use crate::std::protocol::type_parser::{AsTypeParser, TypeParser};
@@ -105,7 +106,7 @@ impl System for StdSystem {
 			},
 		}
 	}
-	fn lexers() -> Vec<LexerObj> { vec![&StringLexer, &NumLexer] }
+	fn lexers() -> Vec<LexerObj> { vec![&StringLexer, &NumLexer, &SubscriptLexer] }
 	fn parsers() -> Vec<ParserObj> { vec![&AsTypeParser, &TypeParser, &AsProtoParser, &ProtoParser] }
 	async fn env() -> Vec<GenMember> {
 		merge_trivial([