urfave-cli/flag-types.json

[
  {
    "name": "Bool",
    "type": "bool",
    "context_default": "false",
    "parser": "strconv.ParseBool(f.Value.String())"
  },
  {
    "name": "Duration",
    "type": "time.Duration",
    "doctail": " (see https://golang.org/pkg/time/#ParseDuration)",
    "context_default": "0",
    "parser": "time.ParseDuration(f.Value.String())"
  },
  {
    "name": "Float64",
    "type": "float64",
    "context_default": "0",
    "parser": "strconv.ParseFloat(f.Value.String(), 64)"
  },
  {
    "name": "Generic",
    "type": "Generic",
    "dest": false,
    "context_default": "nil",
    "context_type": "interface{}"
  },
  {
    "name": "Int64",
    "type": "int64",
    "context_default": "0",
    "parser": "strconv.ParseInt(f.Value.String(), 0, 64)"
  },
  {
    "name": "Int",
    "type": "int",
    "context_default": "0",
    "parser": "strconv.ParseInt(f.Value.String(), 0, 64)",
    "parser_cast": "int(parsed)"
  },
  {
    "name": "IntSlice",
    "type": "*IntSlice",
    "dest": false,
    "context_default": "nil",
    "context_type": "[]int",
    "parser": "(f.Value.(*IntSlice)).Value(), error(nil)"
  },
  {
    "name": "Int64Slice",
    "type": "*Int64Slice",
    "dest": false,
    "context_default": "nil",
    "context_type": "[]int64",
    "parser": "(f.Value.(*Int64Slice)).Value(), error(nil)"
  },
  {
    "name": "Float64Slice",
    "type": "*Float64Slice",
    "dest": false,
    "context_default": "nil",
    "context_type": "[]float64",
    "parser": "(f.Value.(*Float64Slice)).Value(), error(nil)"
  },
  {
    "name": "String",
    "type": "string",
    "context_default": "\"\"",
    "parser": "f.Value.String(), error(nil)"
  },
  {
    "name": "StringSlice",
    "type": "*StringSlice",
    "dest": false,
    "context_default": "nil",
    "context_type": "[]string",
    "parser": "(f.Value.(*StringSlice)).Value(), error(nil)"
  },
  {
    "name": "Uint64",
    "type": "uint64",
    "context_default": "0",
    "parser": "strconv.ParseUint(f.Value.String(), 0, 64)"
  },
  {
    "name": "Uint",
    "type": "uint",
    "context_default": "0",
    "parser": "strconv.ParseUint(f.Value.String(), 0, 64)",
    "parser_cast": "uint(parsed)"
  }
]