calculator: replace the FlatBuffer with a simple String

[nit.git] / examples / calculator / src / calculator_logic.nit

diff --git a/examples/calculator/src/calculator_logic.nit b/examples/calculator/src/calculator_logic.nit
index 249962c..46f9ca3 100644 (file)
--- a/examples/calculator/src/calculator_logic.nit
+++ b/examples/calculator/src/calculator_logic.nit
@@ -28,7 +28,7 @@ class CalculatorContext
        var last_op: nullable Text = null
 
        # Value currently being entered
-       var current: nullable FlatBuffer = null
+       var current: nullable String = null
 
        # Text to display on screen
        fun display_text: String
@@ -78,8 +78,8 @@ class CalculatorContext
        fun push_digit(digit: Int)
        do
                var current = current
-               if current == null then current = new FlatBuffer
-               current.add digit.to_s.chars.first
+               if current == null then current = ""
+               current += digit.to_s
                self.current = current
 
                if last_op == "=" then
@@ -92,8 +92,8 @@ class CalculatorContext
        fun switch_to_decimals
        do
                var current = current
-               if current == null then current = new FlatBuffer.from("0")
-               if not current.chars.has('.') then current.add '.'
+               if current == null then current = "0"
+               if not current.chars.has('.') then current += "."
                self.current = current
        end