Upgrade version (#363)

CHANGELOG.md

@@ -4,6 +4,9 @@ Changelog
 current (development) 
 ---------------------
 
+3.0.0
+-----
+
 ### Build
 - **breaking**: The library prefix is now back to "lib" (the default). This
     means non-cmake users should not link against "libftxui-dom" for instance.

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.11)
 
 project(ftxui
   LANGUAGES CXX
-  VERSION 2.0.0
+  VERSION 3.0.0
 )
 
 option(FTXUI_BUILD_DOCS "Set to ON to build docs" ON)

src/ftxui/screen/color.cpp

@@ -147,9 +147,9 @@ Color Color::HSV(uint8_t h, uint8_t s, uint8_t v) {
 
 // static
 Color Color::Interpolate(float t, const Color& a, const Color& b) {
-  float red;
-  float green;
-  float blue;
+  float red = 0.f;
+  float green = 0.f;
+  float blue = 0.f;
   switch (a.type_) {
     case ColorType::Palette1: {
       if (t < 0.5)