diff --git a/bootstrap/makefile b/bootstrap/makefile
index 0654872..952794a 100644
--- a/bootstrap/makefile
+++ b/bootstrap/makefile
@@ -1,5 +1,13 @@
-.ty/token.o:
-	ty obj src/token.ty
+SRCS := $(wildcard src/*.ty)
+OBJS := $(patsubst src/%.ty,.ty/%.o,$(SRCS))
+
+all: $(OBJS)
+	echo $(OBJS)
+	echo $(SRCS)
+	touch .ty/all
+
+$(OBJS): $(SRCS)
+	ty obj $<
 
 .PHONY: clean
 clean:
diff --git a/bootstrap/src/lexer.ty b/bootstrap/src/lexer.ty
new file mode 100644
index 0000000..f2a6b7a
--- /dev/null
+++ b/bootstrap/src/lexer.ty
@@ -0,0 +1,47 @@
+const Token = import "token.Token"
+pub const TokenError = import "token.TokenError"
+const get_next = import "token.get_next"
+
+pub type Lexeme = struct {
+  token: Token,
+  slice: [char],
+  start: u32,
+  end: u32
+}
+
+pub type Lexer = struct {
+  current: ?Lexeme,
+  buffer: &[char],
+  idx: u32,
+}
+
+pub const new = fn(buffer: &[char]) Lexer {
+  return Lexer {
+    buffer: buffer,
+    current : undefined,
+    idx: 0
+  }
+}
+
+pub const peek = fn(self: *Lexer) TokenError!?Lexeme {
+  if (self.current) {
+    return clone self.current
+  }
+  let len = 0
+  let end = self.buf.len()
+  let result = try get_next(self.buf[self.idx..end], *len)?
+  self.current = Lexeme {
+    token: result,
+    slice: clone self.buf[self.idx..len],
+    start: self.idx,
+    end: len
+  }
+  self.idx += len
+  return clone self.current
+}
+
+pub const collect = fn(self: *Lexer) Lexeme {
+  let temp = clone self.current.unwrap()
+  self.current = undefined
+  return temp
+}
diff --git a/bootstrap/src/token.ty b/bootstrap/src/token.ty
index 4115518..4b80147 100644
--- a/bootstrap/src/token.ty
+++ b/bootstrap/src/token.ty
@@ -302,10 +302,11 @@ const build_string = fn(buf: &[char], len: *u32, end: char) TokenError!Token {
   }
   return Token.String
 }
-pub const get_next = fn(buf: &[char], len: *u32) TokenError!Token {
+
+pub const get_next = fn(buf: &[char], len: *u32) TokenError!?Token {
   len = 0
   const c = buf[0]
-  return match (c) {
+  return match (c?) {
     c.isAlphabetic() => tokenize_chars(buf, len)
     c.isDigit() => tokenize_num(buf, len)
     _ => {
diff --git a/linter/src/lib.rs b/linter/src/lib.rs
index abfd644..eb454ff 100644
--- a/linter/src/lib.rs
+++ b/linter/src/lib.rs
@@ -77,6 +77,7 @@ impl<'buf, 'ttb, 'sco> LintSource<'buf, 'ttb, 'sco> {
             Expr::UnOp(un) => match un.op.token {
                 Token::Dash => self.check_negate(un),
                 Token::Exclam => self.check_not(un),
+                Token::Try => self.check_try(un),
                 Token::Ampersand => self.check_borrow_ro(un),
                 Token::Asterisk => self.check_borrow_mut(un),
                 Token::Copy => self.check_copy(un),
@@ -112,6 +113,7 @@ impl<'buf, 'ttb, 'sco> LintSource<'buf, 'ttb, 'sco> {
             Expr::ArgDef(arg) => self.check_arg_def(&arg),
             Expr::ArrayType(arr) => self.check_array_type(&arr),
             Expr::ArrayAccess(arr) => self.check_array_access(&arr),
+            Expr::UndefBubble(u) => self.check_undefined_bubble(&u),
             _ => panic!("type-lang linter issue, expr not implemented {:?}", to_cmp),
         }
     }
@@ -750,16 +752,22 @@ impl<'buf, 'ttb, 'sco> LintSource<'buf, 'ttb, 'sco> {
         return ok_tree!(Copy, unop, curried);
     }
 
+    pub fn check_undefined_bubble(&mut self, un: &UndefBubble) -> ResultTreeType {
+        let result = self.lint_recurse(&un.prev)?;
+        let unop = UnaryOp {
+            val: result.0,
+            curried: result.1,
+        };
+        let curried = unop.curried.clone();
+        return ok_tree!(BubbleUndef, unop, curried);
+    }
+
     pub fn check_clone(&mut self, un: &UnOp) -> ResultTreeType {
         let result = self.lint_recurse(&un.val)?;
-        let mut unop = UnaryOp {
+        let unop = UnaryOp {
             val: result.0,
             curried: result.1,
         };
-        match unop.val.as_ref().as_ref() {
-            TypeTree::BoolValue(_) => unop.curried = Ty::Bool,
-            _ => panic!("clone check failed"),
-        }
         let curried = unop.curried.clone();
         return ok_tree!(Clone, unop, curried);
     }
@@ -896,6 +904,16 @@ impl<'buf, 'ttb, 'sco> LintSource<'buf, 'ttb, 'sco> {
         return ok_tree!(NotEq, binop, curried);
     }
 
+    pub fn check_try(&mut self, un: &UnOp) -> ResultTreeType {
+        let result = self.lint_recurse(&un.val)?;
+        let unop = UnaryOp {
+            val: result.0,
+            curried: result.1,
+        };
+        let curried = unop.curried.clone();
+        return ok_tree!(BubbleError, unop, curried);
+    }
+
     pub fn check_not(&mut self, un: &UnOp) -> ResultTreeType {
         let result = self.lint_recurse(&un.val)?;
         let mut unop = UnaryOp {
diff --git a/parser/src/lib.rs b/parser/src/lib.rs
index 2ac90fc..72453b1 100644
--- a/parser/src/lib.rs
+++ b/parser/src/lib.rs
@@ -745,7 +745,6 @@ impl<'s> Parser<'s> {
         ]) {
             match x.token {
                 Token::Question => self.resolve_access(expr!(UndefBubble, prev)),
-                Token::Try => self.resolve_access(expr!(ErrBubble, prev)),
                 Token::Period => {
                     let ident = self
                         .ident()
diff --git a/types/src/lib.rs b/types/src/lib.rs
index b0cf2a0..21529f8 100644
--- a/types/src/lib.rs
+++ b/types/src/lib.rs
@@ -230,9 +230,9 @@ pub enum TypeTree {
     Range(BinaryOp),
     CastAs(BinaryOp),
     Gt(BinaryOp),
-    BubbleUndef(BinaryOp),
-    BubbleError(BinaryOp),
     // unops
+    BubbleUndef(UnaryOp),
+    BubbleError(UnaryOp),
     ReadBorrow(UnaryOp),
     MutBorrow(UnaryOp),
     Copy(UnaryOp),