pub fn parse_param_value(info: &ParamInfo, text: &str) -> Option<f64>Expand description
Inverse of format_param_value for host text_to_value round-trips.
Accepts bare numbers and the unit suffixes format_param_value emits
(kHz/Hz, ms/s, dB, %, st, °, pan C/nL/nR). Case-
insensitive on ASCII unit suffixes; whitespace around the number is
ignored. Returns None when the text is not a known form for info.unit.