pub fn canonize(ke: &str) -> Option<String>Expand description
Returns the canonical form of a key expression, or None if it is invalid.
§Arguments
ke- the key expression to canonicalize.
§Returns
Some(canonical) for a valid ke, applying the canonical-form rules (**/** to **, **/*
to */**, $*$* to $*, and a $* chunk to *); None if ke is not a valid key
expression.
§Examples
use pamoja_zenoh::keyexpr::canonize;
assert_eq!(canonize("robot/sensor/**/*").as_deref(), Some("robot/sensor/*/**"));
assert_eq!(canonize("a/**/**/b").as_deref(), Some("a/**/b"));
assert_eq!(canonize("a//b"), None); // a doubled slash is not a valid key expression