Std.Log.keeps

fn

This is a callable function.

What it does

Whether a logger would keep a line at this level.

Worth asking before building a line whose message is expensive to produce:

the check is a comparison, and the message is not built if it is not kept.

Read the signature

• The text after the name is the type checked by Pudu.
• Read arrows from left to right: inputs come first, and the final type is returned.
• & borrows a value for this call instead of moving or copying it.