chore: remove GOPATH support and go1.17

.github/workflows/ci.yml

@@ -15,36 +15,18 @@ jobs:
     runs-on: ${{ matrix.platform }}
     steps:
       - uses: actions/checkout@v3
-        with:
-          path: ./src/github.com/${{ github.repository }}
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
       - name: deps
-        working-directory: ./src/github.com/${{ github.repository }}
         run:  make deps
-        env:
-          GOPATH: ${{ runner.workspace }}
       - name: static program analysis
-        working-directory: ./src/github.com/${{ github.repository }}
         run: |
-          export PATH=$PATH:$(go env GOPATH)/bin # https://github.com/actions/setup-go/issues/14
-          mkdir -p $(go env GOPATH)/src/github.com/swaggo
-          ln -s $(pwd) $(go env GOPATH)/src/github.com/swaggo/swag
           make fmt-check lint vet
-        env:
-          GOPATH: ${{ runner.workspace }}
       - name: build
         run: make build
-        working-directory: ./src/github.com/${{ github.repository }}
-        env:
-          GOPATH: ${{ runner.workspace }}
       - name: test
-        working-directory: ./src/github.com/${{ github.repository }}
         run: make test
-        env:
-          GOPATH: ${{ runner.workspace }}
       - name: coverage
-        working-directory: ./src/github.com/${{ github.repository }}
         run: bash <(curl -s https://codecov.io/bash)

README.md

@@ -54,7 +54,7 @@ Swag converts Go annotations to Swagger Documentation 2.0. We've created a varie
 ```sh
 go install github.com/swaggo/swag/cmd/swag@latest
 ```
-To build from source you need [Go](https://golang.org/dl/) (1.17 or newer).
+To build from source you need [Go](https://golang.org/dl/) (1.18 or newer).
 
 Or download a pre-compiled binary from the [release page](https://github.com/swaggo/swag/releases).
 

README_zh-CN.md

@@ -50,7 +50,7 @@ Swag将Go的注释转换为Swagger2.0文档。我们为流行的 [Go Web Framewo
 go install github.com/swaggo/swag/cmd/swag@latest
 ```
 
-从源码开始构建的话，需要有Go环境（1.17及以上版本）。
+从源码开始构建的话，需要有Go环境（1.18及以上版本）。
 
 或者从github的release页面下载预编译好的二进制文件。
 

generics.go

@@ -1,6 +1,3 @@
-//go:build go1.18
-// +build go1.18
-
 package swag
 
 import (

generics_test.go

@@ -1,6 +1,3 @@
-//go:build go1.18
-// +build go1.18
-
 package swag
 
 import (