add variable declarations

1 files changed, 4 insertions, 2 deletions

diff --git a/src/Lexer.zig b/src/Lexer.zig
index c85979d..c8f19c6 100644
--- a/src/Lexer.zig
+++ b/src/Lexer.zig
@@ -11,12 +11,13 @@ pub const Token = struct {
         plus,
         minus,
         semicolon,
+        equal,
         invalid,
         eof,
         identifier,
 
         // Keywords
-        @"if",
+        let,
     };
 };
 
@@ -72,6 +73,7 @@ fn getNext(self: *Self) Token {
         '+' => self.create(.plus),
         '-' => self.create(.minus),
         ';' => self.create(.semicolon),
+        '=' => self.create(.equal),
         ' ', '\n' => {
             self.start = self.pos;
             continue :s (self.eatChar() orelse return self.create(.eof));
@@ -111,7 +113,7 @@ fn identifierOrKeyword(self: *Self) Token {
         }
         const value = self.source[self.start..self.pos];
         return self.create(switch (std.meta.stringToEnum(Token.Type, value) orelse .invalid) {
-            .@"if" => .@"if",
+            .let => .let,
             else => .identifier,
         });
     }