TRUE_OCTET

der::asn1::boolean

Constant TRUE_OCTET 

Source 
const TRUE_OCTET: u8 = 0b11111111;
Expand description

Byte used to encode true in ASN.1 DER. From X.690 Section 11.1:

If the encoding represents the boolean value TRUE, its single contents octet shall have all eight bits set to one.