Std.ByteOrder.readU64BE
1 declaration
fn
readU64BE: &Array[UInt8] -> Int -> Option[UInt64]This is a callable function.
What it does
Reads a 64-bit big-endian unsigned integer from bytes at offset.
Read the signature
- The text after the name is the type checked by Pudu.
- Read arrows from left to right: inputs come first, and the final type is returned.
- & borrows a value for this call instead of moving or copying it.
- Names inside [ ] are type arguments, such as the item type held by a collection.
- Option holds Some(value) or None when no value is available.
