coc-settings.json

{
  "coc.preferences.extensionUpdateCheck": "daily",

  "hover.floatConfig": {"border": true},
  "diagnostic.floatConfig": {"border": true},
  "signature.floatConfig": {"border": true},

  "diagnostic.warningSign": "",
  "diagnostic.errorSign": "",
  "diagnostic.infoSign": "",
  "diagnostic.hintSign": "",

  "suggest.triggerCompletionWait": 30,
  "suggest.floatConfig": {"border": true},
  "suggest.asciiCharactersOnly": true,

  "snippets.snipmate.enable": false,
  "snippets.ultisnips.enable": true,
  "snippets.ultisnips.directories": [ "snippets" ],
  "snippets.loadFromExtensions": false,
  "snippets.extends": {"latex": ["tex", "texmath"]},
  "snippets.ultisnips.pythonPrompt": false,
  "clangd.arguments": ["--header-insertion=never"],
  "inlayHint.enable": false,

  "yank.enableCompletion": true,
  "yank.highlight.enable": false,

  "python.formatting.provider": "black",

  "go.goplsOptions": {
    "staticcheck": true,
    "usePlaceholders": true,
    "semanticTokens": true,
  },
  "go.goplsPath": "/home/huibo/.go/bin/gopls",

  "[go]": {
    "coc.preferences.formatOnSave": true
  },
}