Removed many cringe pass-by-references

parser/body.go

@@ -3,8 +3,6 @@ package parser
 import "git.tebibyte.media/arf/arf/lexer"
 import "git.tebibyte.media/arf/arf/infoerr"
 
-// TODO: parser must ensure that these names are unique
-
 // parse body parses the body of an arf file, after the metadata header.
 func (parser *ParsingOperation) parseBody () (err error) {
 	for {

parser/data.go

@@ -5,13 +5,12 @@ import "git.tebibyte.media/arf/arf/lexer"
 
 // parseData parses a data section.
 func (parser *ParsingOperation) parseDataSection () (
-	section *DataSection,
+	section DataSection,
 	err     error,
 ) {
 	err = parser.expect(lexer.TokenKindName)
 	if err != nil { return }
 	
-	section = &DataSection { }
 	section.location = parser.token.Location()
 
 	err = parser.nextToken(lexer.TokenKindPermission)

parser/enum.go

@@ -6,13 +6,12 @@ import "git.tebibyte.media/arf/arf/infoerr"
 
 // parseEnumSection parses an enumerated type section.
 func (parser *ParsingOperation) parseEnumSection () (
-	section *EnumSection,
+	section EnumSection,
 	err     error,
 ) {
 	err = parser.expect(lexer.TokenKindName)
 	if err != nil { return }
 	
-	section = &EnumSection { }
 	section.location = parser.token.Location()
 
 	// get permission