Struct env_logger::filter::Filter

pub struct Filter {
    directives: Vec<Directive>,
    filter: Option<Filter>,
}

A log filter.

This struct can be used to determine whether or not a log record should be written to the output. Use the Builder type to parse and construct a Filter.

Fields

directives: Vec<Directive>

filter: Option<Filter>

Implementations

impl Filter

pub fn filter(&self) -> LevelFilter

Returns the maximum LevelFilter that this filter instance is configured to output.

Example

use log::LevelFilter;
use env_logger::filter::Builder;

let mut builder = Builder::new();
builder.filter(Some("module1"), LevelFilter::Info);
builder.filter(Some("module2"), LevelFilter::Error);

let filter = builder.build();
assert_eq!(filter.filter(), LevelFilter::Info);

pub fn matches(&self, record: &Record<'_>) -> bool

Checks if this record matches the configured filter.

pub fn enabled(&self, metadata: &Metadata<'_>) -> bool

Determines if a log message with the specified metadata would be logged.

Trait Implementations

impl Debug for Filter

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

Formats the value using the given formatter.