Add unary plus

src/binops.cpp

@@ -187,6 +187,12 @@ namespace types {
                     return builder.builder->CreateNeg(value, "neg");
                 }
                 });
+            definitions.push_back(UnopDefinition{
+                ty, types::Unary::Plus, ty,
+                [](codegen::Builder&, std::shared_ptr<Type>, llvm::Value* value) {
+                    return value;
+                }
+                });
         }
 
         return definitions;

src/binops.h

@@ -22,6 +22,7 @@ namespace types {
         SubPrefix,
         Not,
         Negation,
+        Plus,
     };
 
     int operator_precedence(BinOp& op);

src/parsing.cpp

@@ -349,6 +349,14 @@ namespace parsing {
                         new AST::UnaryExpression(before_meta + inner.metadata(), std::move(expr), types::Unary::Negation)
                     };
                 }
+                else if (inner.peek().content == "+") {
+                    inner.next();
+                    auto expr = parse_primary_expression(inner, scope).unwrap();
+                    stream.m_position = inner.m_position;
+                    return std::unique_ptr<AST::Expression> {
+                        new AST::UnaryExpression(before_meta + inner.metadata(), std::move(expr), types::Unary::Plus)
+                    };
+                }
 
                 auto plain_expr = parse_plain_expression(inner, scope);
                 while (inner.peek().content == "(" || inner.peek().content == "[" || inner.peek().content == ".") {