Function matches 

pub fn matches(topic: &str, filter: &str) -> bool

Matches a topic name against a topic filter with wildcard support

Arguments

• topic - The topic name to match (no wildcards allowed)
• filter - The topic filter which may contain wildcards

Returns

• true if the topic matches the filter
• false otherwise

Examples

assert!(matches("sport/tennis", "sport/tennis"));
assert!(matches("sport/tennis", "sport/+"));
assert!(matches("sport/tennis/player1", "sport/#"));
assert!(!matches("sport/tennis", "sport/+/player1"));