NullableStringExtension extension

可空字符串 String? 的扩展，提供空安全检查方法。 Extension on String? providing null-safe emptiness checks.

on

Properties

isNotNullOrEmpty → bool

Available on String?, provided by the NullableStringExtension extension

判断可空字符串是否非 null 且非空。 Returns true if the string is not null and not empty.
no setter
isNullOrEmpty → bool

Available on String?, provided by the NullableStringExtension extension

判断可空字符串是否为 null 或为空字符串。 Returns true if the string is null or empty ("").
no setter