Buffer[] | LuaRT free and open source Windows programming framework for Lua

Buffer[ ]

Buffer indexing allow to get/set individual byte value.

The index value must be an integer.
First byte of the Buffer starts at index 1.
Negative index means counting from the end of the Buffer (for example buffer[-1] means the last byte)

Example


local buff = sys.Buffer { 97, 98, 99 } -- a, b, c in UTF8

-- change last byte of the buffer
buff[-1] = 67

-- outputs "abC"
print(buff)

-- outputs 67
print(buff[-1])