#[repr(C)]
pub struct aws_logger_vtable { pub log: Option<unsafe extern "C" fn(logger: *mut aws_logger, log_level: aws_log_level, subject: aws_log_subject_t, format: *const c_char, ...) -> c_int>, pub get_log_level: Option<unsafe extern "C" fn(logger: *mut aws_logger, subject: aws_log_subject_t) -> aws_log_level>, pub clean_up: Option<unsafe extern "C" fn(logger: *mut aws_logger)>, pub set_log_level: Option<unsafe extern "C" fn(logger: *mut aws_logger, arg1: aws_log_level) -> c_int>, }
Expand description

We separate the log level function from the log call itself so that we can do the filter check in the macros (see below)

By doing so, we make it so that the variadic format arguments are not even evaluated if the filter check does not succeed.

Fields

log: Option<unsafe extern "C" fn(logger: *mut aws_logger, log_level: aws_log_level, subject: aws_log_subject_t, format: *const c_char, ...) -> c_int>get_log_level: Option<unsafe extern "C" fn(logger: *mut aws_logger, subject: aws_log_subject_t) -> aws_log_level>clean_up: Option<unsafe extern "C" fn(logger: *mut aws_logger)>set_log_level: Option<unsafe extern "C" fn(logger: *mut aws_logger, arg1: aws_log_level) -> c_int>

Trait Implementations

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
Returns the “default value” for a type. Read more
This method tests for self and other values to be equal, and is used by ==. Read more
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

Auto Trait Implementations

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Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.