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read_installed_entry

Function read_installed_entry 

Source
pub fn read_installed_entry(
    platform: Platform,
    env: &InstallEnv<'_>,
) -> Result<Option<InstalledEntry>, InstallError>
Expand description

读一个平台已装的 wanning 条目;未装 = Ok(None);配置形状坏 = 报错 (doctor 据此给修复指引,绝不静默当未装)。