Go review (std-uritemplate#55)

* fix the style issues

* Fix iteration on runes and more

* minor

* Apply golangci

* more review comments

* go - review - Mod -> rune

* use type alias

* mark go reviewed

Readme.md

@@ -21,7 +21,7 @@ This is intended to become a complete and maintained cross-language implementati
 | Java | ✅ | ✅ | ✅ |
 | Python | ✅ | ❌ | ✅ |
 | Typescript | ✅ | ✅ | ✅ |
-| Go | ✅ | ❌ | ✅ |
+| Go | ✅ | ✅ | ✅ |
 | C# | ✅ | ✅ | ✅ |
 | Ruby | ✅ | ❌ | ✅ |
 | PHP | ✅ | ❌ | ✅ |

go/.golangci.yml

@@ -0,0 +1,70 @@
+# ---------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ---------------------------------------------------------------------------
+
+linters-settings:
+  lll:
+    line-length: 170
+  goconst:
+    ignore-tests: true
+linters:
+  enable-all: true
+  disable:
+    - forcetypeassert
+    - cyclop
+    - dupl
+    - exhaustive
+    - exhaustivestruct
+    - exhaustruct
+    - forbidigo
+    - funlen
+    - gci
+    - gochecknoglobals
+    - gochecknoinits
+    - gocognit
+    - goconst
+    - gocyclo
+    - godox
+    - goerr113
+    - gofumpt
+    - golint
+    - gomnd
+    - gomoddirectives
+    - interfacer
+    - ireturn
+    - lll
+    - maligned
+    - nakedret
+    - nestif
+    - nilnil
+    - nlreturn
+    - nosnakecase
+    - paralleltest
+    - rowserrcheck
+    - scopelint
+    - structcheck
+    - sqlclosecheck
+    - tagliatelle
+    - tenv
+    - testpackage
+    - varnamelen
+    - wastedassign
+    - whitespace
+    - wrapcheck
+    - wsl
+    - varcheck
+    - deadcode
+    - ifshort