Struct TraceFilter 

pub struct TraceFilter {
    pub min_level: Option<TraceLevel>,
    pub category: Option<String>,
    pub label: Option<String>,
    pub since: Option<Instant>,
}

TRACE 过滤器

Fields

min_level: Option<TraceLevel>

最低级别（如 Some(TraceLevel::Warn) 表示只显示 Warn 及以上）

category: Option<String>

类别匹配

label: Option<String>

标签匹配

since: Option<Instant>

起始时间

Implementations

impl TraceFilter

pub fn new() -> Self

创建新的过滤器

pub fn with_min_level(self, level: TraceLevel) -> Self

设置最低级别

pub fn with_category(self, category: String) -> Self

设置类别

pub fn with_label(self, label: String) -> Self

设置标签

pub fn with_since(self, since: Instant) -> Self

设置起始时间

pub fn matches(&self, entry: &TraceEntry) -> bool

检查条目是否匹配过滤器

Trait Implementations

impl Clone for TraceFilter

fn clone(&self) -> TraceFilter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TraceFilter

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

Formats the value using the given formatter.

impl Default for TraceFilter

fn default() -> TraceFilter

Returns the “default value” for a type.