diff --git a/.cargo/config.toml b/.cargo/config.toml
index 3ff0588..cfb0188 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -2,5 +2,3 @@
 # In theory, your system GCC and libstdc++ should be able to compile everything here. In practice,
 # you probably want these overrides, so they're enabled by default.
 CXX = "clang++"
-# CXXSTDLIB = "libc++"
-#CXXFLAGS = "-std=gnu++2a -fcoroutines -stdlib=libc++"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6431e20..9dd599c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,4 @@
 name: CI
-
 on:
   push:
     branches:
@@ -9,7 +8,7 @@ on:
       - main
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
+  group: '${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}'
   cancel-in-progress: true
 
 jobs:
@@ -18,24 +17,38 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      # - name: Install deps
-      #   run: sudo apt-get install libfmt-dev libgflags-dev
-
+      - name: Cache cargo registry
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: cargo-registry-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-registry-${{ runner.os }}-
+      
+      - name: Cache cargo build
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: cargo-build-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            cargo-build-${{ runner.os }}-
+      
       - name: Format
         run: cargo fmt --all -- --check
-
+      
       - name: Clippy
         working-directory: cxx-async
         run: cargo clippy -- -D warnings
 
-  build:
-    runs-on: ${{ matrix.os }}
+  build_and_test_with_folly:
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         os:
           - ubuntu-latest
-    #          - macos-latest
-    #          - windows-latest
+    
     steps:
       - uses: actions/checkout@v4
 
@@ -48,17 +61,17 @@ jobs:
             make \
             gcc \
             g++ \
+            clang \
             autoconf \
             automake \
             libtool \
             python3-pip \
             ninja-build \
             libgflags-dev \
-            libboost-all-dev \
             libdouble-conversion-dev \
             libevent-dev \
-            libgflags-dev \
             libgoogle-glog-dev \
+            libboost-all-dev \
             libssl-dev \
             libunwind-dev \
             liblz4-dev \
@@ -68,53 +81,113 @@ jobs:
             binutils-dev \
             libjemalloc-dev \
             libiberty-dev 
+  
+      - name: Add environment variables
+        run: |
+          echo "PATH=$HOME/.local/bin:$PATH" >> $GITHUB_ENV
+          echo "CMAKE_PREFIX_PATH=$HOME/.local:$CMAKE_PREFIX_PATH" >> $GITHUB_ENV
+          echo "C_INCLUDE_PATH=$HOME/.local/include:$C_INCLUDE_PATH" >> $GITHUB_ENV
+          echo "CPLUS_INCLUDE_PATH=$HOME/.local/include:$CPLUS_INCLUDE_PATH" >> $GITHUB_ENV
+          echo "LIBRARY_PATH=$HOME/.local/lib:$LIBRARY_PATH" >> $GITHUB_ENV
+          echo "LD_LIBRARY_PATH=$HOME/.local/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
+          echo "PKG_CONFIG_PATH=$HOME/.local/lib/pkgconfig:$PKG_CONFIG_PATH" >> $GITHUB_ENV
+
+      # Cache fmt
+      - name: Cache fmt
+        id: cache-fmt
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.local/include/fmt/**
+            ~/.local/lib/libfmt*
+          key: fmt-${{ runner.os }}-v10.1.1
       
-      - name: Build fmt
+      - name: Build fmt if not cached
+        if: steps.cache-fmt.outputs.cache-hit != 'true'
         run: |
-          git clone https://github.com/fmtlib/fmt.git && cd fmt
-          rm _build -rf; mkdir _build -p && cd _build
-          cmake .. -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DCMAKE_C_COMPILER=/usr/bin/clang -DFMT_TEST=OFF
+          cd /tmp/
+          git clone https://github.com/fmtlib/fmt.git
+          cd fmt
+          mkdir -p _build && cd _build
+          cmake .. \
+            -DFMT_TEST=OFF \
+            -DCMAKE_INSTALL_PREFIX=$HOME/.local \
+            -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE
           make -j$(nproc)
-          sudo make install
+          make install
           sudo ldconfig
-
-      - name: Build fast_float
+          cd ../../
+          rm -rf /tmp/fmt
+      
+      # Cache fast_float
+      - name: Cache fast_float
+        id: cache-fast_float
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.local/lib/libfast_float*
+            ~/.local/include/fast_float/**
+          key: fast_float-${{ runner.os }}-v3.9.0
+      
+      - name: Build fast_float if not cached
+        if: steps.cache-fast_float.outputs.cache-hit != 'true'
         run: |
+          cd /tmp
           git clone https://github.com/fastfloat/fast_float.git && cd fast_float
-          rm _build -rf; mkdir _build -p && cd _build
+          rm -rf _build; mkdir -p _build && cd _build
           cmake .. -DCMAKE_CXX_COMPILER=/usr/bin/clang++ \
           -DCMAKE_C_COMPILER=/usr/bin/clang \
+          -DCMAKE_INSTALL_PREFIX=$HOME/.local \
           -DCMAKE_CXX_FLAGS="-O3" \
           -DBUILD_SHARED_LIBS=TRUE \
           -DBUILD_BENCHMARKS=OFF
           make -j$(nproc)
-          sudo make install
+          make install
           sudo ldconfig
+          cd ../../
+          rm -rf /tmp/fast_float
+      
+      # Cache Folly
+      - name: Cache Folly
+        id: cache-folly
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.local/lib/libfolly**
+            ~/.local/include/folly/**
+          key: folly-${{ runner.os }}-20241104
 
-      - name: Build Folly
+      - name: Build Folly if not cached
+        if: steps.cache-folly.outputs.cache-hit != 'true'
         run: |
-          git clone https://github.com/facebook/folly.git
-          cd folly
-          rm _build -rf
-          mkdir _build && cd _build
-          cmake .. -DBUILD_SHARED_LIBS=ON \
-          -DCMAKE_CXX_COMPILER=/usr/bin/clang++ \
-          -DCMAKE_C_COMPILER=/usr/bin/clang \
-          -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
-          -DBUILD_BENCHMARKS=OFF \
-          -DCMAKE_BUILD_TYPE=Release \
-          -DCMAKE_CXX_STANDARD=20 \
-          -DCMAKE_CXX_STANDARD_REQUIRED=ON
+          cd /tmp
+          git clone https://github.com/facebook/folly.git && cd folly
+          git checkout v2024.11.04.00
+          rm -rf _build; mkdir _build && cd _build
+          cmake .. \
+            -DBUILD_SHARED_LIBS=ON \
+            -DCMAKE_INSTALL_PREFIX=$HOME/.local \
+            -DCMAKE_CXX_COMPILER=/usr/bin/clang++ \
+            -DCMAKE_C_COMPILER=/usr/bin/clang \
+            -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
+            -DBUILD_TESTS=OFF \
+            -DBUILD_BENCHMARKS=OFF \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_CXX_STANDARD=20 \
+            -DCMAKE_CXX_STANDARD_REQUIRED=ON
           make -j$(nproc)
-          sudo make install
+          make install
           sudo ldconfig
+          cd ../
+          rm -rf /tmp/folly/
 
-      # - name: Install dependencies on linux
-      #   if: matrix.os == 'ubuntu-latest'
-      #   run: sudo apt-get install libfmt-dev libgflags-dev
-
+      - name: Copy dependencies to sys
+        run: |
+          sudo cp -r $HOME/.local/include/* /usr/include/
+          sudo cp -r $HOME/.local/lib/* /usr/lib/
+          sudo ldconfig
+      
       - name: Build
         working-directory: cxx-async
-        run: | 
-          cargo build
-
+        run: |
+          cargo build
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index dbedf90..5ff0a01 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -76,6 +76,19 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "cxx-async-example-cppcoro"
+version = "0.1.0"
+dependencies = [
+ "async-recursion 0.3.2",
+ "cxx",
+ "cxx-async",
+ "cxx-build",
+ "futures",
+ "once_cell",
+ "pkg-config",
+]
+
 [[package]]
 name = "cxx-async-example-folly"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index aaebfad..1ba634f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,6 @@ resolver = "2"
 members = [
     "cxx-async",
     "macro",
-    # "examples/cppcoro",
+    "examples/cppcoro",
     "examples/folly",
 ]
diff --git a/cxx-async/Cargo.toml b/cxx-async/Cargo.toml
index ff2ae8b..5df0621 100644
--- a/cxx-async/Cargo.toml
+++ b/cxx-async/Cargo.toml
@@ -34,7 +34,6 @@ features = ["thread-pool"]
 
 [dependencies.link-cplusplus]
 version = "1"
-# features = ["libc++"]
 
 [build-dependencies]
 cxx-build = "1"