Function is_valid_circuit_id 

pub fn is_valid_circuit_id(s: &str) -> bool

Validates a circuit identifier.

Circuit IDs are numeric strings used to identify circuits in the Tor control protocol.

Arguments

• s - The string to validate

Returns

true if the string is a valid circuit ID, false otherwise.

Format

• Non-empty string
• Contains only ASCII digits (0-9)

Example

use stem_rs::util::is_valid_circuit_id;

assert!(is_valid_circuit_id("1"));
assert!(is_valid_circuit_id("123"));
assert!(is_valid_circuit_id("999999"));

assert!(!is_valid_circuit_id("")); // Empty
assert!(!is_valid_circuit_id("abc")); // Non-numeric
assert!(!is_valid_circuit_id("12a")); // Mixed