Enum LoggingMode 

pub enum LoggingMode {
    Library,
    Application,
}

日志模式

Variants

Library

库模式：仅使用 tracing 宏，不初始化 subscriber

Application

应用模式：初始化 subscriber，配置输出目标

Trait Implementations

impl Clone for LoggingMode

fn clone(&self) -> LoggingMode

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LoggingMode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for LoggingMode

fn eq(&self, other: &LoggingMode) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for LoggingMode

impl Eq for LoggingMode

impl StructuralPartialEq for LoggingMode