diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/liblog/lib.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/liblog/lib.rs b/src/liblog/lib.rs index 0656dd1f641..4a217a7b2b2 100644 --- a/src/liblog/lib.rs +++ b/src/liblog/lib.rs @@ -40,12 +40,12 @@ There are five macros that the logging subsystem uses: * `warn!(...)` - a macro hard-wired to the log level of `WARN` * `error!(...)` - a macro hard-wired to the log level of `ERROR` -All of these macros use std::the same style of syntax as the `format!` syntax +All of these macros use the same style of syntax as the `format!` syntax extension. Details about the syntax can be found in the documentation of `std::fmt` along with the Rust tutorial/manual. If you want to check at runtime if a given logging level is enabled (e.g. if the -information you would want to log is expensive to produce), you can use std::the +information you would want to log is expensive to produce), you can use the following macro: * `log_enabled!(level)` - returns true if logging of the given level is enabled @@ -63,7 +63,7 @@ path::to::module=log_level The path to the module is rooted in the name of the crate it was compiled for, so if your program is contained in a file `hello.rs`, for example, to turn on -logging for this file you would use std::a value of `RUST_LOG=hello`. +logging for this file you would use a value of `RUST_LOG=hello`. Furthermore, this path is a prefix-search, so all modules nested in the specified module will also have logging enabled. |