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//! WARNING: this is not part of the crate's public API and is subject to change at any time | ||
use self::sealed::KVs; | ||
use crate::{Level, Metadata, Record}; | ||
use std::fmt::Arguments; | ||
pub use std::{file, format_args, line, module_path, stringify}; | ||
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#[cfg(feature = "kv_unstable")] | ||
pub type Value<'a> = dyn crate::kv::value::ToValue + 'a; | ||
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#[cfg(not(feature = "kv_unstable"))] | ||
pub type Value<'a> = str; | ||
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mod sealed { | ||
/// Types for the `kv` argument. | ||
pub trait KVs<'a> { | ||
fn into_kvs(self) -> Option<&'a [(&'a str, &'a super::Value<'a>)]>; | ||
} | ||
} | ||
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// Types for the `kv` argument. | ||
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impl<'a> KVs<'a> for &'a [(&'a str, &'a Value<'a>)] { | ||
#[inline] | ||
fn into_kvs(self) -> Option<&'a [(&'a str, &'a Value<'a>)]> { | ||
Some(self) | ||
} | ||
} | ||
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impl<'a> KVs<'a> for () { | ||
#[inline] | ||
fn into_kvs(self) -> Option<&'a [(&'a str, &'a Value<'a>)]> { | ||
None | ||
} | ||
} | ||
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// Log implementation. | ||
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fn log_impl( | ||
args: Arguments, | ||
level: Level, | ||
&(target, module_path, file): &(&str, &'static str, &'static str), | ||
line: u32, | ||
kvs: Option<&[(&str, &Value)]>, | ||
) { | ||
#[cfg(not(feature = "kv_unstable"))] | ||
if kvs.is_some() { | ||
panic!( | ||
"key-value support is experimental and must be enabled using the `kv_unstable` feature" | ||
) | ||
} | ||
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let mut builder = Record::builder(); | ||
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builder | ||
.args(args) | ||
.level(level) | ||
.target(target) | ||
.module_path_static(Some(module_path)) | ||
.file_static(Some(file)) | ||
.line(Some(line)); | ||
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#[cfg(feature = "kv_unstable")] | ||
builder.key_values(&kvs); | ||
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crate::logger().log(&builder.build()); | ||
} | ||
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pub fn log<'a, K>( | ||
args: Arguments, | ||
level: Level, | ||
target_module_path_and_file: &(&str, &'static str, &'static str), | ||
line: u32, | ||
kvs: K, | ||
) where | ||
K: KVs<'a>, | ||
{ | ||
log_impl( | ||
args, | ||
level, | ||
target_module_path_and_file, | ||
line, | ||
kvs.into_kvs(), | ||
) | ||
} | ||
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pub fn enabled(level: Level, target: &str) -> bool { | ||
crate::logger().enabled(&Metadata::builder().level(level).target(target).build()) | ||
} | ||
//! WARNING: this is not part of the crate's public API and is subject to change at any time | ||
use self::sealed::KVs; | ||
use crate::{Level, Metadata, Record}; | ||
use std::fmt::Arguments; | ||
pub use std::{file, format_args, line, module_path, stringify}; | ||
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#[cfg(feature = "kv_unstable")] | ||
pub type Value<'a> = dyn crate::kv::value::ToValue + 'a; | ||
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#[cfg(not(feature = "kv_unstable"))] | ||
pub type Value<'a> = str; | ||
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mod sealed { | ||
/// Types for the `kv` argument. | ||
pub trait KVs<'a> { | ||
fn into_kvs(self) -> Option<&'a [(&'a str, &'a super::Value<'a>)]>; | ||
} | ||
} | ||
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// Types for the `kv` argument. | ||
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impl<'a> KVs<'a> for &'a [(&'a str, &'a Value<'a>)] { | ||
#[inline] | ||
fn into_kvs(self) -> Option<&'a [(&'a str, &'a Value<'a>)]> { | ||
Some(self) | ||
} | ||
} | ||
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impl<'a> KVs<'a> for () { | ||
#[inline] | ||
fn into_kvs(self) -> Option<&'a [(&'a str, &'a Value<'a>)]> { | ||
None | ||
} | ||
} | ||
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// Log implementation. | ||
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fn log_impl( | ||
args: Arguments, | ||
level: Level, | ||
&(target, module_path, file): &(&str, &'static str, &'static str), | ||
line: u32, | ||
kvs: Option<&[(&str, &Value)]>, | ||
) { | ||
#[cfg(not(feature = "kv_unstable"))] | ||
if kvs.is_some() { | ||
panic!( | ||
"key-value support is experimental and must be enabled using the `kv_unstable` feature" | ||
) | ||
} | ||
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||
let mut builder = Record::builder(); | ||
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builder | ||
.args(args) | ||
.level(level) | ||
.target(target) | ||
.module_path_static(Some(module_path)) | ||
.file_static(Some(file)) | ||
.line(Some(line)); | ||
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#[cfg(feature = "kv_unstable")] | ||
builder.key_values(&kvs); | ||
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crate::logger().log(&builder.build()); | ||
} | ||
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pub fn log<'a, K>( | ||
args: Arguments, | ||
level: Level, | ||
target_module_path_and_file: &(&str, &'static str, &'static str), | ||
line: u32, | ||
kvs: K, | ||
) where | ||
K: KVs<'a>, | ||
{ | ||
log_impl( | ||
args, | ||
level, | ||
target_module_path_and_file, | ||
line, | ||
kvs.into_kvs(), | ||
) | ||
} | ||
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pub fn enabled(level: Level, target: &str) -> bool { | ||
crate::logger().enabled(&Metadata::builder().level(level).target(target).build()) | ||
} |