Merge pull request #626 from fxamacker/fxamacker/update-to-require-go1.20

go: update go.mod and ci.yml to require go1.20 or newer (was go1.17)

Author: fxamacker

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        go-version: [1.17, 1.18, 1.19, '1.20', 1.21, 1.22, 1.23]
+        go-version: ['1.20', 1.21, 1.22, 1.23, 1.24]
     steps:
     - name: Install Go
       uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34 # v5.3.0

encode_map.go

@@ -1,8 +1,6 @@
 // Copyright (c) Faye Amacker. All rights reserved.
 // Licensed under the MIT License. See LICENSE in the project root for license information.
 
-//go:build go1.20
-
 package cbor
 
 import (

encode_map_go117.go

@@ -1,5 +1,5 @@
 module github.com/fxamacker/cbor/v2
 
-go 1.17 // Compiling with go 1.20+ uses new features and optimizations
+go 1.20
 
 require github.com/x448/float16 v0.8.4