Add comments to the lexer

lexer.odin

@@ -93,6 +93,14 @@ lexer_skip_whitespace :: proc(lexer: ^Lexer) {
 
 lexer_next :: proc(lexer: ^Lexer) -> (ret: Token) {
 	lexer_skip_whitespace(lexer)
+	if lexer.char == '\\' {
+		lexer_advance(lexer)
+		for lexer.char != '\n' && lexer.char != 0 {
+			lexer_advance(lexer)
+		}
+		return lexer_next(lexer)
+	}
+
 	if lexer.should_return_semicolon {
 		lexer.should_return_semicolon = false
 		return token_create(.Semicolon, TextRange { start = lexer.position, end = lexer.position })

test.cat

@@ -1,10 +1,12 @@
 use "fmt.cat"
 use lib "directory/long_library_name"
 
+\ This is a comment, it should be ignored by the compiler
+
 fmt.printf "%d + %d = %d File length: %d" a b a + b (io.file_size "file.txt")
 fmt.println "Hello world!"
 
-let a := 123
+let a := 123 \ This is another comment, that should be ignored by the compiler
 let uninitialized : u32
 let multiple variables here : u32 = 1 2 3
 let string : str, number : i32