status: working. tested. api still in flux.
useful functions for working with times, rates, frequencies, etc. written in rust.
to use add hertz = "*"
to the [dependencies] section of your Cargo.toml and call extern crate hertz; in your code.
frequency
"rate", "sample rate", "frame rate", "fps", "frequency", express the same concept, are therefore used interchangeably simply called "rate" and are always expressed in hertz i.e. per second.
duration means